{"id":2021,"date":"2026-09-18T07:52:12","date_gmt":"2026-09-18T07:52:12","guid":{"rendered":"https:\/\/superiortransmissioninc.com\/?page_id=2021"},"modified":"2026-09-18T07:52:30","modified_gmt":"2026-09-18T07:52:30","slug":"worm-gear","status":"publish","type":"page","link":"https:\/\/superiortransmissioninc.com\/es\/worm-gear\/","title":{"rendered":"Engranaje helicoidal"},"content":{"rendered":"

[et_pb_section fb_built=”1″ custom_padding_last_edited=”on|phone” admin_label=”Header” _builder_version=”4.20.4″ _module_preset=”default” background_enable_color=”off” background_image=”https:\/\/superiortransmissioninc.com\/wp-content\/uploads\/2026\/09\/superiortransmissioninc-products-EP-Nylon-Spur-Gear-Show.webp” custom_padding=”100px||100px||true|false” custom_padding_tablet=”80px||80px||true|false” custom_padding_phone=”60px||60px||true|false” locked=”off” global_colors_info=”{}”][et_pb_row make_equal=”on” _builder_version=”4.20.4″ _module_preset=”default” width=”90%” max_width=”100%” custom_padding=”0px||||false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” custom_padding=”120px||||false|false” custom_padding_tablet=”” custom_padding_phone=”” custom_padding_last_edited=”on|desktop” global_colors_info=”{}”][et_pb_text _builder_version=”4.20.4″ _module_preset=”default” text_font_size=”16px” text_line_height=”2.2em” header_font=”Merriweather|300|||||||” header_font_size=”74px” header_line_height=”1.4em” header_3_font=”|700||on|||||” header_3_font_size=”14px” header_3_letter_spacing=”4px” header_3_line_height=”1.4em” background_layout=”dark” text_font_size_tablet=”14px” text_font_size_phone=”” text_font_size_last_edited=”on|phone” header_font_size_tablet=”54px” header_font_size_phone=”34px” header_font_size_last_edited=”on|phone” global_colors_info=”{}”]<\/p>\n

Worm Gear Manufacturer<\/h3>\n

Worm Gear \u00b7 Worm Wheel \u00b7<\/strong><\/span><\/h1>\n

Worm Gear Shaft<\/strong><\/span><\/h1>\n

Everything you need to understand, specify, and select the right worm drive component \u2014 product categories, technical specifications, material options, gear ratio calculation, and application guidance \u2014 in one comprehensive reference page.<\/p>\n

[\/et_pb_text][et_pb_button button_url=”#products” button_text=”View Products” _builder_version=”4.20.4″ _module_preset=”default” custom_button=”on” button_text_size=”14px” button_border_width=”2px” button_border_color=”rgba(255,255,255,0.1)” button_border_radius=”0px” button_letter_spacing=”2px” button_font=”|||on|||||” background_layout=”dark” custom_padding=”14px|30px|14px|30px|true|true” global_colors_info=”{}” custom_padding__hover_enabled=”on|desktop” custom_padding__hover=”|40px|||true|false”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.8″ _module_preset=”default” width=”90%” max_width=”100%” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.8″ _module_preset=”default” text_font_size=”16px” text_line_height=”2.2em” header_2_font=”Merriweather|300|||||||” header_2_font_size=”50px” header_2_line_height=”1.4em” header_3_font_size=”14px” header_3_letter_spacing=”4px” header_3_line_height=”1.4em” text_font_size_tablet=”14px” text_font_size_phone=”” text_font_size_last_edited=”on|phone” header_2_font_size_tablet=”54px” header_2_font_size_phone=”34px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n

What Is a Worm Drive \u2014 and Why Does It Matter?<\/strong><\/span><\/h2>\n

A worm drive is a gear arrangement in which a worm screw \u2014 a shaft with a helical thread resembling a screw \u2014 meshes with a worm wheel (a toothed disc) to transmit torque between two shafts arranged at 90\u00b0 to each other. This right-angle configuration, combined with the ability to achieve high reduction ratios in a single gear stage, makes the worm drive one of the most versatile and widely deployed power transmission formats in engineering history.<\/p>\n

Three component types form the worm drive ecosystem: the Engranaje helicoidal<\/strong> (the screw element, also called the worm), the Rueda helicoidal<\/strong> (the toothed driven disc), and the Worm Gear Shaft<\/strong> (the shaft on which the worm is formed or mounted). Each is a distinct engineering product with its own dimensional standards, material requirements, and performance parameters.<\/p>\n

The worm drive’s defining properties \u2014 high single-stage reduction ratio, inherent self-locking at low lead angles, compact right-angle housing, and smooth sliding-contact mesh \u2014 make it the preferred drive format in elevators, conveyor reducers, steering systems, solar trackers, packaging machinery, parking systems, and precision scientific instruments worldwide.<\/p>\n

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Key Worm Drive Properties at a Glance<\/h3>\n

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\u2713<\/span> <\/p>\n
High Reduction Ratio<\/strong>5:1 to 100:1+ in a single stage<\/span><\/div>\n

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\u2713<\/span> <\/p>\n
Right-Angle Drive<\/strong>90\u00b0 input\/output shaft arrangement<\/span><\/div>\n

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\u2713<\/span> <\/p>\n
Autobloqueante<\/strong>Holds position without brake at low lead angle<\/span><\/div>\n

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\u2713<\/span> <\/p>\n
Compact Package<\/strong>Smaller footprint than multi-stage parallel drives<\/span><\/div>\n

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\u2713<\/span> <\/p>\n
Quiet Operation<\/strong>Sliding contact produces low mesh noise<\/span><\/div>\n

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[\/et_pb_code][et_pb_image src=”https:\/\/superiortransmissioninc.com\/wp-content\/uploads\/2026\/09\/superiortransmissioninc-products-EP-Plastic-Worm-Gear-Application.webp” alt=”superiortransmissioninc-products-EP-Plastic Worm Gear Application” title_text=”superiortransmissioninc-products-EP-Plastic Worm Gear Application” _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_image][et_pb_button button_text=”Contact Me” _builder_version=”4.16″ _module_preset=”default” custom_button=”on” button_text_size=”14px” button_text_color=”#b4926b” button_bg_color=”rgba(180,146,107,0.1)” button_border_width=”0px” button_border_radius=”0px” button_letter_spacing=”2px” button_font=”|||on|||||” custom_padding=”14px|30px|14px|30px|true|true” locked=”off” global_colors_info=”{}” custom_padding__hover_enabled=”on|hover” custom_padding__hover=”|40px|||true|false” button_bg_color__hover_enabled=”on|hover” button_bg_color__hover=”rgba(180,146,107,0.2)” button_bg_enable_color__hover=”on” button_text_color__hover_enabled=”on|desktop” button_text_color__hover=”#000000″][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.8″ _module_preset=”default” width=”90%” max_width=”100%” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.8″ _module_preset=”default” header_2_font=”|800|||||||” header_2_font_size=”50px” global_colors_info=”{}”]<\/p>\n

Worm Gear \u00b7 Worm Wheel \u00b7 Worm Gear Shaft<\/h2>\n

[\/et_pb_text][et_pb_shop type=”product_category” posts_number=”20″ include_categories=”71″ icon_hover_color=”#145a32″ _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_shop][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”CTA” _builder_version=”4.27.8″ _module_preset=”default” use_background_color_gradient=”on” background_color_gradient_stops=”#ffffff 0%|rgba(0,0,0,0) 10%” background_color_gradient_overlays_image=”on” background_color_gradient_start=”#ffffff” background_color_gradient_end=”rgba(0,0,0,0)” background_color_gradient_end_position=”10%” background_image=”https:\/\/superiortransmissioninc.com\/wp-content\/uploads\/2026\/09\/superiortransmissioninc-products-EP-Plastic-Worm-Gear-Show.webp” background_position=”center_right” custom_padding=”8vw||8vw||true|false” global_colors_info=”{}”][et_pb_row custom_padding_last_edited=”on|phone” _builder_version=”4.27.8″ _module_preset=”default” max_width=”none” custom_padding=”||||false|false” custom_padding_tablet=”|||10%|false|false” custom_padding_phone=”|||5%|false|false” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.8″ _module_preset=”default” header_2_font=”Merriweather|900|||||||” header_2_text_color=”#FFFFFF” header_2_font_size=”50px” header_2_line_height=”1.4em” header_2_font_size_tablet=”54px” header_2_font_size_phone=”34px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n

Ready to Specify Your Worm Drive Components?<\/h2>\n

[\/et_pb_text][et_pb_text _builder_version=”4.27.8″ _module_preset=”default” text_text_color=”#FFFFFF” text_font_size=”20px” global_colors_info=”{}”]<\/p>\n

Our engineering team is available to help you select the correct module, material, gear ratio, and bore configuration for your specific application. Submit a drawing, specification, or enquiry \u2014 we respond with a detailed technical quotation.<\/p>\n

[\/et_pb_text][et_pb_code _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_2,1_2″ _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”1_2″ _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.8″ _module_preset=”default” text_font_size=”20px” header_3_font=”|800|||||||” header_3_text_align=”center” text_orientation=”center” global_colors_info=”{}”]<\/p>\n

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Fabricante de equipos originales (OEM) \/ Fabricante de dise\u00f1o original (ODM)<\/h3>\n
\u00a0<\/div>\n
Custom Programme<\/div>\n<\/div>\n
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\u00a0<\/div>\n<\/div>\n

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Env\u00edos globales<\/h3>\n
\u00a0<\/div>\n
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EXW \u00b7 FOB \u00b7 CIF \u00b7 DAP<\/div>\n<\/div>\n<\/div>\n
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[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ fullwidth=”on” _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_fullwidth_code _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”] <\/p>\n

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How a Worm Drive Works \u2014 Gear Ratio, Self-Locking, and Efficiency<\/h2>\n

Understanding the core mechanics of the worm drive helps engineers specify the right component and avoid common design errors.<\/pee> <\/p>\n

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C\u00e1lculo de la relaci\u00f3n de transmisi\u00f3n<\/h3>\n

The worm and wheel gear ratio is calculated by a simple formula:<\/pee> <\/p>\n

Ratio = Number of Worm Wheel Teeth \u00f7 Number of Worm Starts<\/strong> <\/div>\n

Examples: A 40-tooth worm wheel with a 1-start worm = 40:1<\/strong>. The same wheel with a 2-start worm = 20:1<\/strong>. A 60-tooth wheel with a 1-start worm = 60:1<\/strong>. Multi-start worms reduce the ratio but improve efficiency \u2014 useful when maximum reduction is not needed but better power transmission efficiency is required.<\/pee> <\/div>\n

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Self-Locking Explained<\/h3>\n

A worm drive is self-locking when the worm wheel cannot drive the worm shaft in reverse. This occurs when:<\/pee> <\/p>\n

Lead Angle < arctan(friction coefficient)<\/strong> <\/div>\n

For typical steel-on-bronze or steel-on-brass mesh, self-locking occurs when the lead angle is below approximately 5\u20137\u00b0. Single-start worms at higher reduction ratios are typically self-locking. Multi-start worms at lower ratios may not be self-locking \u2014 always verify against the specific lead angle and friction coefficient when self-locking is a safety-critical requirement.<\/pee> <\/div>\n

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Efficiency Range<\/h3>\n

Worm drive efficiency depends primarily on the lead angle and friction coefficient:<\/pee> <\/p>\n

<\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n\n\n\n\n
Relaci\u00f3n<\/th>\n

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Approx. Efficiency<\/th>\n

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5:1 \u2013 10:1<\/td>\n75 \u2013 90%<\/td>\n<\/tr>\n

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15:1 \u2013 30:1<\/td>\n60 \u2013 80%<\/td>\n<\/tr>\n

<\/p>\n

40:1 \u2013 60:1<\/td>\n40 \u2013 65%<\/td>\n<\/tr>\n

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70:1+<\/td>\n30 \u2013 55%<\/td>\n<\/tr>\n

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Higher ratios = lower efficiency. Motor power must be sized to overcome friction losses, especially at high reduction ratios under sustained duty cycles.<\/pee> <\/div>\n

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[\/et_pb_fullwidth_code][\/et_pb_section][et_pb_section fb_built=”1″ admin_label=”Services” _builder_version=”4.27.8″ _module_preset=”default” locked=”off” global_colors_info=”{}”][et_pb_row _builder_version=”4.27.8″ _module_preset=”default” width=”90%” max_width=”100%” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.8″ _module_preset=”default” header_2_font=”Merriweather|300|||||||” header_2_font_size=”54px” header_2_line_height=”1.4em” header_3_font=”|700||on|||||” header_3_font_size=”14px” header_3_letter_spacing=”4px” header_3_line_height=”1.4em” header_2_font_size_tablet=”44px” header_2_font_size_phone=”28px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}”]<\/p>\n

Worm Drive Material Guide<\/strong><\/span><\/h2>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_3,1_3,1_3″ use_custom_gutter=”on” gutter_width=”1″ make_equal=”on” _builder_version=”4.27.8″ _module_preset=”default” width=”90%” max_width=”100%” custom_padding=”0px||0px||true|false” global_colors_info=”{}”][et_pb_column type=”1_3″ _builder_version=”4.27.8″ _module_preset=”default” background_color=”#b4926b” custom_padding=”40px|20px|40px|20px|true|true” border_width_all=”12px” border_color_all=”rgba(0,0,0,0)” box_shadow_style=”preset7″ box_shadow_horizontal=”0px” box_shadow_vertical=”0px” box_shadow_spread=”2px” box_shadow_color=”#ffffff” global_colors_info=”{}”][et_pb_blurb title=”Worm (Screw) Materials” image_icon_width=”48px” icon_alignment=”left” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather|300|||||||” header_font_size=”28px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” background_layout=”dark” animation=”off” header_font_size_tablet=”24px” header_font_size_phone=”20px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” image_max_width=”48px” locked=”off” global_colors_info=”{}”]<\/p>\n

Acero aleado cementado<\/strong> (20CrMnTi equivalent): Standard for industrial worm shafts. Case hardness 58\u201362 HRC, ground thread surface Ra \u2264 0.4 \u03bcm. Maximum load capacity and fatigue life.<\/p>\n

C45 medium-carbon steel<\/strong>: Quenched and tempered for general industrial use. Good strength at moderate cost. Hardness 55\u201360 HRC after heat treatment.<\/p>\n

Stainless steel<\/strong> (304 \/ 316 \/ martensitic grades): For corrosion-critical environments \u2014 food processing, pharmaceutical, marine, and chemical plant applications.<\/p>\n

[\/et_pb_blurb][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.27.8″ _module_preset=”default” background_color=”#3d4840″ background_enable_image=”off” background_position=”center_right” custom_padding=”40px|20px|40px|20px|true|true” border_width_all=”12px” border_color_all=”rgba(0,0,0,0)” box_shadow_style=”preset7″ box_shadow_horizontal=”0px” box_shadow_vertical=”0px” box_shadow_spread=”2px” box_shadow_color=”#b4926b” global_colors_info=”{}”][et_pb_blurb title=”Surface Treatments” image_icon_width=”48px” icon_alignment=”left” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather|300|||||||” header_text_color=”#b4926b” header_font_size=”28px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” background_layout=”dark” animation=”off” header_font_size_tablet=”24px” header_font_size_phone=”20px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” image_max_width=”48px” locked=”off” global_colors_info=”{}”]<\/p>\n

Available surface treatments for the EP worm drive series:<\/p>\n

\u2022 Carburizing and Quenching (case depth 0.8\u20131.2 mm)<\/p>\n

\u2022 High-frequency Hardening (selective tooth surface)<\/p>\n

\u2022 Quenching and Tempering (through-hardness)<\/p>\n

\u2022 Carbonitriding (improved wear + corrosion)<\/p>\n

\u2022 Zinc plated \/ Nickel plated<\/p>\n

\u2022 Passivation \/ Black Oxide<\/p>\n

\u2022 Geomet \/ Dacromet (high corrosion protection)<\/p>\n

\u2022 Powder Coating \/ Electrophoresis<\/p>\n

\u2022 Anodising (aluminium components)<\/p>\n

[\/et_pb_blurb][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.16″ _module_preset=”default” background_color=”#27302b” custom_padding=”40px|20px|40px|20px|true|true” border_width_all=”12px” border_color_all=”rgba(0,0,0,0)” box_shadow_style=”preset7″ box_shadow_horizontal=”0px” box_shadow_vertical=”0px” box_shadow_spread=”2px” box_shadow_color=”rgba(255,255,255,0.2)” global_colors_info=”{}”][et_pb_blurb title=”Worm Wheel Materials” image_icon_width=”48px” icon_alignment=”left” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather|300|||||||” header_text_color=”#b4926b” header_font_size=”28px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” background_layout=”dark” animation=”off” header_font_size_tablet=”24px” header_font_size_phone=”20px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” image_max_width=”48px” locked=”off” global_colors_info=”{}”]<\/p>\n

Phosphor bronze<\/strong> (CuSn10P): The standard industrial worm wheel material. Excellent conformability under load, low friction against steel, and adequate strength for most industrial reducer applications.<\/p>\n

Brass<\/strong> (CuZn free-cutting): Standard for precision instrument, telescope, and small mechanism drives. Best machinability at small module sizes; lubricant-free mesh.<\/p>\n

Hierro fundido<\/strong>: Cost-effective for large, heavily loaded worm wheels in industrial gearboxes where efficiency loss and heat dissipation are managed.<\/p>\n

POM \/ Nylon \/ PEEK<\/strong>: For lubricant-free light-duty drives, medical devices, and cleanroom equipment where contamination risk from lubricant is unacceptable.<\/p>\n

[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.8″ _module_preset=”default” width=”90%” max_width=”100%” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.27.8″ _module_preset=”default” background_color=”#3d4840″ custom_padding=”40px|20px|40px|20px|true|true” border_width_all=”12px” border_color_all=”rgba(0,0,0,0)” box_shadow_style=”preset7″ box_shadow_horizontal=”0px” box_shadow_vertical=”0px” box_shadow_spread=”2px” box_shadow_color=”#b4926b” global_colors_info=”{}”][et_pb_blurb title=”Lubrication Guidance for Metal Worm Drives” image_icon_width=”48px” icon_alignment=”left” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather|300|||||||” header_text_color=”#b4926b” header_font_size=”28px” header_line_height=”1.2em” body_text_color=”#000000″ body_font_size=”16px” body_line_height=”1.8em” background_layout=”dark” animation=”off” header_font_size_tablet=”24px” header_font_size_phone=”20px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” image_max_width=”48px” locked=”off” global_colors_info=”{}”]<\/p>\n

Metal worm gear sets (steel worm \/ bronze or brass wheel) require EP (Extreme Pressure) gear oil, ISO VG 220 to VG 680 depending on operating temperature and speed. Polymer worm wheel variants (POM, nylon) operate dry \u2014 no lubricant required or recommended, as lubricant can cause polymer swelling and dimensional change. Always check the lubricant compatibility with the worm wheel material before specifying an oil type for a mixed-material drive.<\/p>\n

[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ make_equal=”on” specialty=”on” padding_top_2=”0px” padding_bottom_2=”0px” padding_top_bottom_link_2=”false” padding_left_right_link_2=”false” admin_label=”How it Works” _builder_version=”4.27.8″ _module_preset=”default” background_size=”contain” background_position=”center_right” custom_margin=”80px||||false|false” custom_margin_tablet=”60px||||false|false” custom_margin_phone=”40px||||false|false” custom_margin_last_edited=”on|tablet” custom_padding=”0px||0px|||” hover_enabled=”0″ background_last_edited=”on|tablet” global_colors_info=”{}” background_enable_color=”off” background_enable_image=”off” sticky_enabled=”0″ inner_width=”90%” inner_max_width=”100%”][et_pb_column type=”2_3″ specialty_columns=”2″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_row_inner custom_padding_last_edited=”on|phone” _builder_version=”4.16″ _module_preset=”default” custom_padding_tablet=”|10%|||false|false” custom_padding_phone=”” global_colors_info=”{}”][et_pb_column_inner saved_specialty_column_type=”2_3″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.27.8″ _module_preset=”default” header_2_font=”Merriweather|300|||||||” header_2_font_size=”54px” header_2_line_height=”1.4em” header_3_font=”|700||on|||||” header_3_font_size=”14px” header_3_letter_spacing=”4px” header_3_line_height=”1.4em” hover_enabled=”0″ header_2_font_size_tablet=”44px” header_2_font_size_phone=”28px” header_2_font_size_last_edited=”on|phone” locked=”off” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

Where Worm Drive Components Are Used<\/h2>\n

[\/et_pb_text][\/et_pb_column_inner][\/et_pb_row_inner][et_pb_row_inner column_structure=”1_2,1_2″ custom_padding_last_edited=”on|phone” _builder_version=”4.16″ _module_preset=”default” custom_padding_tablet=”|10%|||false|false” custom_padding_phone=”” global_colors_info=”{}”][et_pb_column_inner type=”1_2″ saved_specialty_column_type=”2_3″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_blurb title=”Industrial Machinery” use_icon=”on” font_icon=”K||divi||400″ icon_color=”#b4926b” icon_placement=”left” image_icon_width=”26px” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather||||||||” header_font_size=”20px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” animation=”off” hover_enabled=”0″ header_font_size_tablet=”18px” header_font_size_phone=”16px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” icon_font_size=”26px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

Conveyor drives, mixers, agitators, rock crushers, industrial reducers<\/p>\n

[\/et_pb_blurb][\/et_pb_column_inner][et_pb_column_inner type=”1_2″ saved_specialty_column_type=”2_3″ _builder_version=”4.16″ _module_preset=”default” global_colors_info=”{}”][et_pb_blurb title=”Transportation” use_icon=”on” font_icon=”K||divi||400″ icon_color=”#b4926b” icon_placement=”left” image_icon_width=”26px” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather||||||||” header_font_size=”20px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” animation=”off” hover_enabled=”0″ header_font_size_tablet=”18px” header_font_size_phone=”16px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” icon_font_size=”26px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″]<\/p>\n

Steering gear, window regulators, seat adjusters, HVAC flap drives,High-speed rail actuators, aviation landing gear, platform doors.<\/p>\n

[\/et_pb_blurb][\/et_pb_column_inner][\/et_pb_row_inner][\/et_pb_column][et_pb_column type=”1_3″ _builder_version=”4.16″ custom_padding=”|||” global_colors_info=”{}” custom_padding__hover=”|||”][et_pb_image src=”https:\/\/superiortransmissioninc.com\/wp-content\/uploads\/2026\/09\/superiortransmissioninc-products-EP-Nylon-Spur-Gears.webp” _builder_version=”4.27.8″ _module_preset=”default” alt=”superiortransmissioninc-products-EP-Nylon Spur Gears” title_text=”superiortransmissioninc-products-EP-Nylon Spur Gears” hover_enabled=”0″ sticky_enabled=”0″][\/et_pb_image][\/et_pb_column][\/et_pb_section][et_pb_section fb_built=”1″ theme_builder_area=”post_content” _builder_version=”4.27.8″ _module_preset=”default”][et_pb_row _builder_version=”4.27.8″ _module_preset=”default” column_structure=”1_3,1_3,1_3″ theme_builder_area=”post_content” width=”90%” max_width=”100%” hover_enabled=”0″ sticky_enabled=”0″][et_pb_column _builder_version=”4.27.8″ _module_preset=”default” type=”1_3″ theme_builder_area=”post_content”][et_pb_blurb title=”Elevators & Hoists” use_icon=”on” font_icon=”K||divi||400″ icon_color=”#b4926b” icon_placement=”left” image_icon_width=”26px” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather||||||||” header_font_size=”20px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” animation=”off” hover_enabled=”0″ header_font_size_tablet=”18px” header_font_size_phone=”16px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” icon_font_size=”26px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″ theme_builder_area=”post_content”]<\/p>\n

Lift mechanisms, chain hoists, jacking systems, stage lifts<\/p>\n

[\/et_pb_blurb][\/et_pb_column][et_pb_column _builder_version=”4.27.8″ _module_preset=”default” type=”1_3″ theme_builder_area=”post_content”][et_pb_blurb title=”Solar Trackers” use_icon=”on” font_icon=”K||divi||400″ icon_color=”#b4926b” icon_placement=”left” image_icon_width=”26px” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather||||||||” header_font_size=”20px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” animation=”off” hover_enabled=”0″ header_font_size_tablet=”18px” header_font_size_phone=”16px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” icon_font_size=”26px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″ theme_builder_area=”post_content”]<\/p>\n

Single-axis & dual-axis azimuth and elevation drives<\/p>\n

[\/et_pb_blurb][\/et_pb_column][et_pb_column _builder_version=”4.27.8″ _module_preset=”default” type=”1_3″ theme_builder_area=”post_content”][et_pb_blurb title=”Robotics” use_icon=”on” font_icon=”K||divi||400″ icon_color=”#b4926b” icon_placement=”left” image_icon_width=”26px” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather||||||||” header_font_size=”20px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” animation=”off” hover_enabled=”0″ header_font_size_tablet=”18px” header_font_size_phone=”16px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” icon_font_size=”26px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″ theme_builder_area=”post_content”]<\/p>\n

Robot joint drives, collaborative arm wrists, AGV wheel drives<\/p>\n

[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.8″ _module_preset=”default” column_structure=”1_3,1_3,1_3″ theme_builder_area=”post_content” width=”90%” max_width=”100%” hover_enabled=”0″ sticky_enabled=”0″][et_pb_column _builder_version=”4.27.8″ _module_preset=”default” type=”1_3″ theme_builder_area=”post_content”][et_pb_blurb title=”Medical Devices” use_icon=”on” font_icon=”K||divi||400″ icon_color=”#b4926b” icon_placement=”left” image_icon_width=”26px” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather||||||||” header_font_size=”20px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” animation=”off” hover_enabled=”0″ header_font_size_tablet=”18px” header_font_size_phone=”16px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” icon_font_size=”26px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″ theme_builder_area=”post_content”]<\/p>\n

Infusion pumps, surgical tools, imaging positioners, lab stages<\/p>\n

[\/et_pb_blurb][\/et_pb_column][et_pb_column _builder_version=”4.27.8″ _module_preset=”default” type=”1_3″ theme_builder_area=”post_content”][et_pb_blurb title=”Packaging” use_icon=”on” font_icon=”K||divi||400″ icon_color=”#b4926b” icon_placement=”left” image_icon_width=”26px” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather||||||||” header_font_size=”20px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” animation=”off” hover_enabled=”0″ header_font_size_tablet=”18px” header_font_size_phone=”16px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” icon_font_size=”26px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″ theme_builder_area=”post_content”]<\/p>\n

Filling heads, capping machines, labellers, conveyors<\/p>\n

[\/et_pb_blurb][\/et_pb_column][et_pb_column _builder_version=”4.27.8″ _module_preset=”default” type=”1_3″ theme_builder_area=”post_content”][et_pb_blurb title=”Precision Instruments” use_icon=”on” font_icon=”K||divi||400″ icon_color=”#b4926b” icon_placement=”left” image_icon_width=”26px” content_max_width=”100%” _builder_version=”4.27.8″ _module_preset=”default” header_font=”Merriweather||||||||” header_font_size=”20px” header_line_height=”1.2em” body_font_size=”16px” body_line_height=”1.8em” animation=”off” hover_enabled=”0″ header_font_size_tablet=”18px” header_font_size_phone=”16px” header_font_size_last_edited=”on|phone” body_font_size_tablet=”14px” body_font_size_phone=”” body_font_size_last_edited=”on|phone” icon_font_size=”26px” locked=”off” global_colors_info=”{}” sticky_enabled=”0″ theme_builder_area=”post_content”]<\/p>\n

Telescope mounts, spectrometers, CMMs, lab automation<\/p>\n

[\/et_pb_blurb][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|phone” admin_label=”Footer” _builder_version=”4.27.8″ _module_preset=”default” background_color=”#38413a” background_image=”https:\/\/superiortransmissioninc.com\/wp-content\/uploads\/2026\/09\/worm-reducer-Plastic-Spur-Gears.webp” custom_padding=”20%||20%||true|false” custom_padding_tablet=”80px||80px||true|false” custom_padding_phone=”60px||60px||true|false” hover_enabled=”0″ saved_tabs=”all” locked=”off” global_colors_info=”{}” alt=”Plastic Spur Gears” title_text=”Plastic Spur Gears” sticky_enabled=”0″][\/et_pb_section][et_pb_section fb_built=”1″ fullwidth=”on” _builder_version=”4.27.8″ _module_preset=”default” global_colors_info=”{}”][et_pb_fullwidth_code _builder_version=”4.27.8″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″] <\/p>\n

<\/p>\n

How to Select the Right Worm Drive Component<\/h2>\n

Follow this structured selection process to specify the correct worm gear, worm wheel, and worm gear shaft for your application.<\/pee> <\/p>\n

<\/p>\n
<\/p>\n
1<\/div>\n

<\/p>\n

Define Required Gear Ratio<\/h3>\n

Calculate your required output speed from the motor input speed. Use the formula: Ratio = Motor RPM \u00f7 Required Output RPM. Round to the nearest standard tooth count (e.g., 20T, 30T, 40T, 60T worm wheel). Remember: higher ratios reduce efficiency.<\/pee> <\/div>\n

<\/p>\n

<\/p>\n
2<\/div>\n

<\/p>\n

Calculate Required Output Torque<\/h3>\n

Output torque = Motor torque \u00d7 Ratio \u00d7 Efficiency. Worm drive efficiency ranges from 40% to 90% depending on ratio and lubrication. For self-locking applications, verify the efficiency against the self-locking threshold for your specific lead angle configuration.<\/pee> <\/div>\n

<\/p>\n

<\/p>\n
3<\/div>\n

<\/p>\n

Select Module Size<\/h3>\n

Module determines tooth strength and physical size. Small modules (M0.5\u2013M2) suit miniature instrument and actuator drives. Medium modules (M3\u2013M5) cover most general industry and conveyor applications. Large modules (M8\u2013M12) handle heavy industrial loads. Match module to the output torque and available housing size.<\/pee> <\/div>\n

<\/p>\n

<\/p>\n
4<\/div>\n

<\/p>\n

Choose Worm Starts<\/h3>\n

1-start worm: maximum self-locking tendency, lowest efficiency, highest ratio for a given wheel tooth count. 2-start: moderate efficiency improvement, ratio halved. 4-start: best efficiency, may not self-lock \u2014 confirm against self-locking requirement. Choose based on whether self-locking or efficiency is the priority.<\/pee> <\/div>\n

<\/p>\n

<\/p>\n
5<\/div>\n

<\/p>\n

Select Material<\/h3>\n

Worm: case-hardened steel (highest load capacity, longest life). Worm wheel: brass or phosphor bronze for precision and low friction, cast iron for high load, POM\/nylon for lubricant-free light duty. Stainless steel variants for corrosion-critical environments. See Material section below for detailed guidance.<\/pee> <\/div>\n

<\/p>\n

<\/p>\n
6<\/div>\n

<\/p>\n

Specify Bore and Shaft<\/h3>\n

Worm wheel bore must match the output shaft diameter. Specify Finished bore (to exact diameter), Pilot bore (customer finishes to size), or Special bore (keyway, tapped hole, special tolerance). Worm gear shaft keyway and journal dimensions must match motor coupling and gearbox bearing layout. Provide a customer drawing for custom shaft configurations.<\/pee> <\/div>\n

<\/div>\n

<\/p>\n

Quick Selection Reference<\/h3>\n

<\/p>\n

<\/p>\n <\/p>\n <\/p>\n <\/p>\n <\/p>\n\n\n\n\n\n\n\n\n
Application Type<\/th>\n

<\/p>\n

Recommended Module<\/th>\n

<\/p>\n

Material de la rueda helicoidal<\/th>\n

<\/p>\n

Worm Starts<\/th>\n

<\/p>\n

Autobloqueante<\/th>\n

<\/tr>\n

<\/thead>\n

<\/p>\n

Precision instrument \/ camera<\/td>\nM0.5 \u2013 M1<\/td>\nBrass \/ POM<\/td>\n1-start<\/td>\nS\u00ed<\/td>\n<\/tr>\n

<\/p>\n

Medical device actuator<\/td>\nM0.5 \u2013 M2<\/td>\nPOM \/ Brass<\/td>\n1-start<\/td>\nS\u00ed<\/td>\n<\/tr>\n

<\/p>\n

Light industrial conveyor<\/td>\nM2 \u2013 M4<\/td>\nBronze \/ Brass<\/td>\n1 or 2-start<\/td>\nTypically yes<\/td>\n<\/tr>\n

<\/p>\n

General industrial gearbox<\/td>\nM3 \u2013 M8<\/td>\nPhosphor bronze<\/td>\n1 or 2-start<\/td>\nRatio dependent<\/td>\n<\/tr>\n

<\/p>\n

Solar tracker \/ parking system<\/td>\nM4 \u2013 M8<\/td>\nBronze \/ cast iron<\/td>\n1-start<\/td>\nRequired<\/td>\n<\/tr>\n

<\/p>\n

Elevator \/ hoist<\/td>\nM5 \u2013 M12<\/td>\nPhosphor bronze<\/td>\n1-start<\/td>\nRequired<\/td>\n<\/tr>\n

<\/p>\n

CNC machine tool table<\/td>\nM3 \u2013 M8<\/td>\nBronze \/ duplex worm<\/td>\n1-start<\/td>\nYes (backlash-controlled)<\/td>\n<\/tr>\n

<\/p>\n

Food \/ pharmaceutical line<\/td>\nM2 \u2013 M6<\/td>\nStainless \/ POM<\/td>\n1 or 2-start<\/td>\nApplication dependent<\/td>\n<\/tr>\n

<\/tbody>\n

<\/table>\n

<\/div>\n

<\/div>\n

[\/et_pb_fullwidth_code][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"

Worm Gear Manufacturer Worm Gear \u00b7 Worm Wheel \u00b7 Worm Gear Shaft Everything you need to understand, specify, and select the right worm drive component \u2014 product categories, technical specifications, material options, gear ratio calculation, and application guidance \u2014 in one comprehensive reference page.What Is a Worm Drive \u2014 and Why Does It Matter? A […]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-2021","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/pages\/2021","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/comments?post=2021"}],"version-history":[{"count":9,"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/pages\/2021\/revisions"}],"predecessor-version":[{"id":2059,"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/pages\/2021\/revisions\/2059"}],"wp:attachment":[{"href":"https:\/\/superiortransmissioninc.com\/es\/wp-json\/wp\/v2\/media?parent=2021"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}