{"id":2118,"date":"2026-09-20T07:34:16","date_gmt":"2026-09-20T07:34:16","guid":{"rendered":"https:\/\/superiortransmissioninc.com\/?post_type=product&p=2118"},"modified":"2026-09-20T07:34:16","modified_gmt":"2026-09-20T07:34:16","slug":"ep-brass-worm-wheel","status":"publish","type":"product","link":"https:\/\/superiortransmissioninc.com\/fr\/produit\/ep-brass-worm-wheel\/","title":{"rendered":"Roue \u00e0 vis sans fin en laiton EP"},"content":{"rendered":"
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PRECISION BRASS DRIVE COMPONENTS \u2014 WORM GEAR SERIES<\/p>\n

A precision-machined brass worm wheel<\/strong> \u2014 module M0.5, 20-tooth, hole diameter \u00d84 mm, outer diameter \u00d811 mm, overall size 12\u00d711\u00d74 mm (H\u00d7OD\u00d7ID) \u2014 paired with a steel worm gear shaft (20\u00d79.8\u00d73.17 mm), delivering quiet, corrosion-resistant, self-lubricating worm and wheel drive for precision instrument, medical device, automation, and hobbyist engineering applications worldwide.<\/p>\n

Engrenage \u00e0 vis sans fin\u00a0<\/a><\/div>\n<\/div>\n

Technical Specifications \u2014 EP Brass Worm Wheel Set<\/h2>\n

Complete dimensional and material specification for the EP series brass worm wheel and matched steel worm gear shaft.<\/p>\n

General Specifications<\/p>\n

\n\n\n\n\n\n\n\n\n
Param\u00e8tre<\/th>\nValeur<\/th>\n<\/tr>\n<\/thead>\n
Mat\u00e9riel<\/td>\nBrass<\/td>\n<\/tr>\n
Color<\/td>\nYellow<\/td>\n<\/tr>\n
Modulus<\/td>\n0.5<\/td>\n<\/tr>\n
Poids<\/td>\n16 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Brass Worm Wheel Dimensions<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
Dimension<\/th>\nMetric<\/th>\nImperial<\/th>\n<\/tr>\n<\/thead>\n
Dents<\/td>\n20<\/td>\n\u2014<\/td>\n<\/tr>\n
Teeth Diameter<\/td>\n11.2 mm<\/td>\n0.44 inch<\/td>\n<\/tr>\n
Height<\/td>\n12 mm<\/td>\n0.47 inch<\/td>\n<\/tr>\n
Outer Diameter<\/td>\n11 mm<\/td>\n0.43 inch<\/td>\n<\/tr>\n
Hole Diameter<\/td>\n4 mm<\/td>\n0.16 inch<\/td>\n<\/tr>\n
Step Size (Dia \u00d7 H)<\/td>\n9\u00d77 mm<\/td>\n0.35\u00d70.27 inch<\/td>\n<\/tr>\n
Overall Size (H \u00d7 OD \u00d7 ID)<\/td>\n12\u00d711\u00d74 mm<\/td>\n0.47\u00d70.43\u00d70.16 inch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Steel Worm Gear Shaft Dimensions<\/p>\n

\n\n\n\n\n\n\n\n\n
Dimension<\/th>\nMetric<\/th>\nImperial<\/th>\n<\/tr>\n<\/thead>\n
Height<\/td>\n20 mm<\/td>\n0.79 inch<\/td>\n<\/tr>\n
Outer Diameter<\/td>\n9.8 mm<\/td>\n0.39 inch<\/td>\n<\/tr>\n
Inner Diameter<\/td>\n3.17 mm<\/td>\n0.12 inch<\/td>\n<\/tr>\n
Overall Size (H \u00d7 OD \u00d7 ID)<\/td>\n20\u00d79.8\u00d73.17 mm<\/td>\n0.79\u00d70.39\u00d70.12 inch<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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What Is a Brass Worm Wheel \u2014 and Why Choose Brass?<\/h2>\n

UN brass worm wheel<\/strong> is the driven element in a worm and wheel gear mechanism \u2014 a toothed disc whose tooth profile is shaped to engage the helical thread of a mating worm screw, converting the worm’s rotary motion through a 90\u00b0 direction change at a high reduction ratio. What is a worm wheel? It is specifically the wheel element of the worm and worm wheel pairing: the worm drives, and the worm wheel is driven. The combination constitutes a worm and wheel mechanism in which a single gear stage achieves ratios of 5:1 to 70:1 or more, with an inherent self-locking function at low lead angles that prevents the output shaft from back-driving the input when the motor is de-energised. Why is it called a worm gear? The worm screw’s helical thread resembles the body of a worm, and the name has remained standard in mechanical engineering terminology for centuries.<\/p>\n

Among metal worm wheel materials, brass occupies a distinctive position. Brass \u2014 a copper-zinc alloy, yellow in colour \u2014 offers a combination of machinability, corrosion resistance, low sliding friction against steel, and natural lubricity that makes it the traditional material of choice for the worm wheel in precision instrument drives, scientific equipment, telescope mounts, and camera pan-tilt mechanisms globally. The EP brass worm wheel<\/strong> at module M0.5 with 20 teeth and a 16 g weight represents the miniature end of the worm wheel gear spectrum \u2014 a component designed for compact mechanism applications where dimensional accuracy, material quality, and reliable engagement with the steel worm gear shaft are all critical to system performance.<\/p>\n

La s\u00e9rie EP brass worm wheel<\/strong> is supplied as a matched worm and worm wheel set: the brass worm wheel (Teeth Dia 11.2 mm, Height 12 mm, Outer Diameter 11 mm, Hole Diameter 4 mm, Step Size 9\u00d77 mm, Overall Size 12\u00d711\u00d74 mm) paired with a steel worm gear shaft (Height 20 mm, Outer Diameter 9.8 mm, Inner Diameter 3.17 mm, Size 20\u00d79.8\u00d73.17 mm). Together they form a complete, ready-to-install worm and wheel drive pair at module M0.5, total weight 16 g.<\/p>\n<\/div>\n

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Five Engineering Advantages of the EP Brass Worm Wheel<\/h2>\n
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\u2460 Natural Low Friction Against Steel \u2014 Self-Lubricating Mesh<\/h3>\n

Brass exhibits a coefficient of friction against hardened steel of approximately 0.10\u20130.15 in dry running, dropping below 0.08 with minimal lubrication. This makes the brass worm wheel<\/strong> the traditional standard for worm and wheel drives that must operate without a continuous oil bath \u2014 camera mechanisms, scientific instruments, telescope drives, and small actuators where lubricant migration would contaminate optical surfaces or adjacent electronics. The low friction is inherent to the material rather than applied through a surface treatment, so it is maintained throughout the service life of the gear pair as long as the tooth flanks remain within their wear limit.<\/p>\n<\/div>\n

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\u2461 Excellent Machinability at Small Module Sizes<\/h3>\n

Free-cutting brass alloys used in the EP series brass worm wheel<\/strong> rank among the most machinable metals in engineering \u2014 significantly easier to hobbing and profile-grind at module M0.5 than stainless steel, tool steel, or even aluminium alloy. This machinability advantage translates directly into the tooth-form accuracy achievable at miniature scale: at module M0.5 with a teeth diameter of 11.2 mm and 20 teeth, the brass worm wheel’s involute profile can be hobbed to a precision that would require specialist grinding operations to achieve in steel, while remaining economical in production quantities. The result is a precise, repeatable worm wheel gear tooth form at a scale where material machinability is the primary factor governing achievable accuracy.<\/p>\n<\/div>\n

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\u2462 Corrosion Resistance Without Coating<\/h3>\n

Brass forms a stable patina of copper oxide and zinc oxide on its surface that resists atmospheric corrosion, salt fog, and mild chemical exposure without requiring plating, painting, or passivation treatment. In a brass worm wheel<\/strong> drive, this means the gear tooth flanks maintain their dimensional accuracy in humid laboratory environments, outdoor instrument housings, and marine navigation equipment without the coating thickness variation that can affect mesh quality in plated steel worm wheel gear sets. The yellow colour of brass also provides easy visual identification of the worm wheel component against the typically silvery steel worm shaft in a gear assembly inspection.<\/p>\n<\/div>\n

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\u2463 High Gear Ratio in Minimal Package \u2014 Do Worm Gears Increase Torque?<\/h3>\n

Do worm gears increase torque? Yes \u2014 the worm and wheel mechanism both reduces speed and multiplies torque proportionally. A 20-tooth brass worm wheel<\/strong> driven by a single-start worm gives a 20:1 ratio: motor speed drops by a factor of 20, and output torque rises by the same factor (less friction losses). At module M0.5 and an overall size of 12\u00d711\u00d74 mm, this 20:1 torque multiplication is achieved in a package small enough to fit inside a handheld instrument, a compact actuator housing, or a miniature robot joint \u2014 making the worm and wheel gear the most space-efficient torque multiplier available at this scale.<\/p>\n<\/div>\n

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\u2464 Matched Steel Worm Shaft \u2014 Complete Ready-to-Install Set<\/h3>\n

The EP brass worm wheel<\/strong> is supplied as a matched pair with the steel worm gear shaft (20\u00d79.8\u00d73.17 mm), pre-verified for module M0.5 mesh compatibility. Supplying a matched worm and worm wheel set \u2014 rather than the worm wheel alone \u2014 eliminates the dimensional verification burden on the customer’s engineering team and avoids the fitment risk of pairing components sourced separately. The steel shaft’s 3.17 mm inner diameter is machined to accept a 3 mm motor shaft directly, making the set compatible with common N20 and N30 gear motor shafts widely used in robotics, RC vehicles, and compact automation equipment in the UK, Germany, Japan, and Australia.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Material Profile \u2014 Brass in Precision Worm Wheel Applications<\/h2>\n

What is a worm wheel, and what makes brass the right material for it? The worm wheel is the slower-moving, higher-torque element of the worm and wheel gearbox. In the sliding-contact mesh of a worm drive, it is the worm wheel tooth that experiences the majority of the wear \u2014 the worm thread slides across the wheel tooth flank throughout the engagement cycle, generating heat and abrasive contact. Brass’s material properties address each of the resulting engineering challenges in miniature worm wheel gear applications with a effectiveness that no comparable-cost material can match.<\/p>\n

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Tribological Performance \u2014 Low Galling Against Steel<\/h3>\n

Brass and steel form a low-galling tribological pair \u2014 the dissimilar metal combination resists cold welding and adhesive wear at the tooth contact interface far better than steel-on-steel or aluminium-on-steel. This property is particularly important in the brass worm wheel<\/strong> application because the sliding-dominant contact at the worm mesh creates conditions that promote adhesive wear in harder material combinations. Free-cutting brass alloys in the CuZn39Pb3 or C360 grade family \u2014 the standard for precision gear production \u2014 deliver a Brinell hardness of approximately 120\u2013150 HB alongside the low galling tendency that makes them the preferred worm wheel material against a hardened steel worm in instrument and actuator drives across Germany, Japan, Canada, and Australia.<\/p>\n<\/div>\n

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Strength and Conformability<\/h3>\n

Brass has a tensile strength of approximately 380\u2013420 MPa and a yield strength around 200 MPa for free-cutting grades \u2014 positioning the brass worm wheel<\/strong> above polymer alternatives in load capacity while remaining below hardened steel. This moderate strength level brings a practical advantage: under initial run-in loading, the brass tooth flank conforms slightly to the mating steel worm thread form, broadening the contact patch and reducing peak contact stress \u2014 a controlled break-in that improves the long-term wear life of the gear pair. This conformability characteristic is one reason brass worm wheel suppliers have maintained the material as the global standard for precision worm wheel gear sets for well over a century.<\/p>\n<\/div>\n

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Dimensional Stability and Machinability<\/h3>\n

Brass’s low coefficient of thermal expansion (approximately 19 \u00b5m\/m\u00b7K for CuZn39) and negligible moisture absorption \u2014 in contrast to nylon worm gear materials that absorb 1\u20133% moisture and expand proportionally \u2014 means the brass worm wheel<\/strong> maintains its bore fit and tooth pitch accuracy across the temperature and humidity ranges typical of laboratory instruments, outdoor equipment, and marine applications. The ease of CNC hobbing in brass at module M0.5 allows the 20-tooth profile to be machined to a tooth-to-tooth pitch error below 0.01 mm as-machined \u2014 without the additional grinding operations that would be required to achieve the same accuracy in steel.<\/p>\n<\/div>\n<\/div>\n

All EP brass worm wheel<\/strong> components are produced under our ISO 9001:2015 certified quality management system, with material certificates confirming the brass alloy composition and a dimensional inspection report available on request for each production batch.<\/p>\n<\/div>\n

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How the Brass Worm Wheel Works \u2014 Worm and Wheel Mechanism Explained<\/h2>\n

What is worm and worm wheel in practical mechanical terms? The worm screw (steel worm gear shaft) rotates on its own axis, and its helical thread pushes against the tooth flanks of the brass worm wheel<\/strong>. Each full revolution of the worm shaft advances the worm wheel by exactly one tooth \u2014 so a 20-tooth brass worm wheel advances 1\/20 of a revolution per worm rotation, giving the 20:1 reduction ratio at module M0.5. The worm shaft and wheel axes are perpendicular (90\u00b0), and the gear set transmits torque through this right-angle intersection in a space that would require three or four spur gear stages to replicate the same ratio.<\/p>\n

What are the worm and worm wheel uses in practice? The worm and worm wheel mechanism serves three core engineering functions simultaneously: speed reduction (the 20:1 ratio), torque multiplication (output torque rises in proportion to the ratio, less friction losses), and direction change (input and output shafts cross at 90\u00b0). In addition, at module M0.5 with a single-start worm, the lead angle of the worm thread is low enough to be self-locking: the brass worm wheel cannot drive the steel worm shaft in reverse under static load. This self-locking property is exploited in camera pan-tilt mechanisms, antenna positioners, and precision instrument stages where the output position must hold without continuous motor current.<\/p>\n

What are the disadvantages of worm gears? The main limitations of the worm and wheel mechanism are: lower efficiency than spur or helical gear stages (typically 60\u201380% for a single-start worm at this ratio), heat generation under sustained high-load operation that requires adequate thermal management, and the fact that the mechanism is irreversible (the wheel cannot drive the worm) in self-locking configurations. For the miniature applications served by the EP brass worm wheel<\/strong> at module M0.5 \u2014 intermittent-duty instrument drives, hobbyist mechanism builds, and light actuators \u2014 these limitations are well within the acceptable range, and the self-locking property is more often an advantage than a constraint.<\/p>\n<\/div>\n

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Application Scenarios \u2014 Where Brass Worm Wheels Are Specified<\/h2>\n

The EP brass worm wheel<\/strong> at module M0.5 serves the miniature end of the worm wheel gear application spectrum \u2014 applications where small size, quiet operation, lubricant-free mesh, and self-locking position hold are all required simultaneously in a sub-20 g component package.<\/p>\n

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Precision Scientific Instruments<\/h3>\n

Spectrometer grating adjustment drives, microscope objective turret mechanisms, and telescope focuser and polar alignment drives have used the brass worm wheel<\/strong> as the standard worm wheel gear material for over a century. The lubricant-free mesh prevents oil migration onto optical surfaces, the 20:1 ratio provides fine adjustment resolution per motor step, and the self-locking property holds the focus position between manual adjustments. Buyers sourcing worm wheel suppliers for scientific instrument repair and manufacture in Germany, Japan, and the UK routinely specify module M0.5 brass worm wheels for these legacy applications.<\/p>\n<\/div>\n

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Camera Pan-Tilt and Security Systems<\/h3>\n

CCTV camera pan-tilt heads, telescope mount drives, and photography gimbal mechanisms use the brass worm wheel<\/strong> paired with a steel worm gear shaft for their ability to hold camera pointing direction without continuous motor current \u2014 reducing power consumption and motor heating in battery-powered mobile gimbal systems. The 20:1 reduction from a 20-tooth brass worm wheel provides sufficient torque multiplication for a small stepper motor to smoothly reposition a camera head, and the quiet sliding-contact mesh produces less acoustic noise than a spur gear equivalent at the same reduction ratio.<\/p>\n<\/div>\n

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Robotics and Hobbyist Engineering<\/h3>\n

N20 and N30 DC gear motor output stages, Arduino and Raspberry Pi robot joint drives, and DIY automation mechanism builds use the EP brass worm wheel<\/strong> set for compact right-angle reduction in robot arm wrist joints, small conveyor models, and precision positioning rigs. The 3.17 mm inner diameter of the matched steel worm shaft is compatible with 3 mm motor shafts \u2014 the standard output diameter for N20\/N30 motors widely used in robotics and maker-space engineering projects in Canada, Australia, the UK, and South Korea.<\/p>\n<\/div>\n

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Automotive Accessories and Mechanisms<\/h3>\n

Automotive window winder mechanisms, seat adjustment drives, and dashboard instrument pointer drives used the worm and wheel mechanism with a brass worm wheel<\/strong> as the standard configuration for decades in vehicle designs across Germany, Japan, and North America before electric power assistance became universal. The worm and wheel steering gear \u2014 still used in heavy trucks and buses \u2014 relies on the same brass wheel against steel worm principle at a larger module size. The EP series module M0.5 version serves the replacement and hobby restoration market for vintage vehicle mechanisms and scale model automotive drives.<\/p>\n<\/div>\n

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Medical and Laboratory Equipment<\/h3>\n

Syringe pump drive stages, laboratory autosampler carriage drives, and diagnostic instrument focus mechanisms specify the brass worm wheel<\/strong> for its lubricant-free mesh \u2014 eliminating the oil-migration contamination risk in equipment that handles reagents, samples, or patient-adjacent contact surfaces. At module M0.5 the 20-tooth worm wheel provides fine positional resolution per motor step in dosing and sample carriage drives where each step must correspond to a precise, repeatable displacement volume or distance. These applications are well-established in medical device OEM supply chains in Europe and North America.<\/p>\n<\/div>\n

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Consumer Electronics and Home Appliances<\/h3>\n

Motorised camera lens barrels, rotating display stands, smart home window blind actuators, and electric curtain rail drives use worm wheel gear sets in brass at small module sizes for their quiet, self-locking operation. The worm and wheel drive’s acoustic advantage \u2014 inherently quieter than a spur gear pair at the same reduction ratio due to the sliding-contact mesh \u2014 is a direct competitive specification in consumer products where acoustic comfort is an explicit customer expectation, particularly in bedroom and living room smart home applications in Canada, Australia, and the UK.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Produits associ\u00e9s \u2014 Alimentation compl\u00e8te pour syst\u00e8mes d'entra\u00eenement<\/h2>\n

Beyond the EP brass worm wheel<\/strong> series, we manufacture the complementary drive components that complete a full drive train specification at the same ISO 9001:2015 quality level.<\/p>\n

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Engrenage \u00e0 double h\u00e9lice<\/a><\/h3>\n

In drive trains where a brass worm wheel<\/strong> stage provides the final right-angle reduction and self-locking hold, a double helical gear stage at the motor output provides a first-stage speed reduction with higher efficiency than a second worm stage would permit. The opposing helix angles of the double helical gear cancel axial thrust, keeping the upstream bearing design simple while handling the load at the higher-speed, lower-torque stage upstream of the brass worm wheel reducer. Single-supplier procurement of both stages simplifies engineering documentation and quality certification management for OEM machine builders globally.<\/p>\n

\"double<\/div>\n<\/div>\n
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Porte-bagages<\/a><\/h3>\n

Where the rotary output of a brass worm wheel<\/strong> drive stage must be converted to linear motion \u2014 as in a miniature linear actuator, a laboratory stage traverse drive, or a precision positioning mechanism \u2014 our gear rack series provides the matching pinion-to-rack interface at the worm wheel output shaft. Metric module gear racks in steel, stainless steel, and polymer grades are available at module sizes compatible with the pinion spur gear on the brass worm wheel output. Single-source supply of the worm and wheel stage and the linear output rack reduces procurement complexity for small-mechanism OEM product development programmes worldwide.<\/p>\n

\"gear<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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Order and Trade Information<\/h2>\n
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Minimum Order Quantity<\/h3>\n

Standard brass worm wheel sets carry a baseline MOQ. Mixed configurations \u2014 different module sizes, tooth counts, and bore diameters \u2014 can be combined into a single order totalling approximately USD 1,500, allowing customers to evaluate several variants simultaneously. For engineering or prototype evaluation, 1\u20135 pcs samples are available at sample pricing. Very small orders of 1\u20132 pcs for urgent repair or prototype requirements can be assessed individually, with per-unit cost higher at sub-baseline quantities.<\/p>\n<\/div>\n

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Lead Time<\/h3>\n

Standard catalogued brass worm wheel configurations: 10\u201325 working days. Standard parts with bore modification or custom hole diameter: 15\u201335 working days. Custom OEM\/ODM brass worm wheel sets from customer drawing: 20\u201345 working days. Sample and test-piece orders (1\u20135 pcs): 7\u201325 working days, with complex or non-standard configurations assessed individually before production confirmation.<\/p>\n<\/div>\n

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Incoterms and Payment<\/h3>\n

Standard component orders: EXW, FOB, CIF, and DAP available. Samples and urgent spare parts: EXW \/ FCA \/ DAP \/ courier service. FCA, CFR, CPT, CIP, and DDP negotiable for established procurement programmes or specific import markets. Payment: T\/T (bank transfer) and L\/C (letter of credit) both accepted. Packing: Plastic bag + Cartons standard; Wooden Packing available for bulk or heavy shipments on request.<\/p>\n<\/div>\n

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OEM \/ ODM Programme<\/h3>\n

Full OEM and ODM custom brass worm wheel production from customer engineering drawings, DXF\/STEP files, or physical samples for reverse engineering. MOQ for custom configurations depends on tooth count, module, bore diameter, and batch size. Drawing approval precedes production release. Full material and dimensional certification documentation is provided at delivery, supporting medical device and scientific instrument OEM qualification requirements in regulated supply chains globally.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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About Our Manufacturing Expertise<\/h2>\n

With over ten years of specialised experience in precision mechanical power transmission, our facility designs and produces a comprehensive range of industrial drive components under a unified ISO 9001:2015 certified quality management system. Our manufacturing portfolio covers agricultural gearboxes, worm gear reducers, planetary drive units, power take-off shafts, hydraulic cylinders, drive chains, gears of all types, and industrial motors \u2014 all built in-house with full dimensional traceability.<\/p>\n

On the structural side we cast and machine components in ductile iron, grey cast iron, cast steel, precision cast steel, and cast aluminium for gearbox housings and large gear blanks. Our component range includes gears, sprockets, worm gears, pulleys, shafts, worms, and all standard and non-standard mechanical parts. For the EP brass worm wheel<\/strong> series, we operate CNC gear hobbing equipment capable of the module M0.5 miniature worm wheel tooth profile that these precision instrument and actuator applications demand \u2014 with matched steel worm shaft production in the same facility for verified set compatibility before shipment.<\/p>\n

Direct factory supply \u2014 no trading intermediary \u2014 keeps documentation packages complete and lead times competitive for customers qualifying our brass worm wheel products in scientific instrument, medical device, consumer electronics, and robotics OEM programmes in Germany, Japan, South Korea, Canada, Australia, and the UK.<\/p>\n

Atelier<\/h3>\n
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Foire aux questions<\/h2>\n
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\nWhat is a brass worm wheel, and why is it the standard material choice for precision telescope drives and scientific instrument mechanisms in Germany or Japan?<\/summary>\n
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UN brass worm wheel<\/strong> is the driven element of a worm and worm wheel gear mechanism \u2014 a toothed disc in brass (copper-zinc alloy) that meshes with a helical steel worm screw to transmit torque at 90\u00b0 with high speed reduction. It is the standard material for telescope drives and scientific instruments in Germany and Japan because brass offers three properties simultaneously that no single alternative material matches: low friction against hardened steel (approximately 0.10 without lubrication), excellent machinability at small module sizes like M0.5 that allows precise tooth-form accuracy to be achieved as-machined, and inherent corrosion resistance without coating. Together these properties give the brass worm wheel a lubricant-free mesh that is essential in optical instruments where oil or grease migration would contaminate lenses or mirror surfaces.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nDo worm gears increase torque, and how much torque multiplication can I expect from a 20-tooth brass worm wheel set used in a small robot joint or actuator drive in the UK or Canada?<\/summary>\n
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Yes \u2014 worm gears increase output torque in proportion to the gear ratio, less friction losses. A 20-tooth brass worm wheel<\/strong> driven by a single-start steel worm gives a 20:1 reduction: output shaft torque rises to approximately 20 times the motor’s rated torque (multiplied by the mesh efficiency, typically 65\u201375% for a dry-running brass worm wheel at this module). In practical terms, a 10 mN\u00b7m motor driving through this brass worm wheel set produces roughly 130\u2013150 mN\u00b7m of output torque \u2014 more than adequate for a small robot joint, a camera pan-tilt drive, or a smart blind actuator in the UK or Canada. The self-locking property at module M0.5 also means the output position holds without motor current between movements, further reducing the effective power consumption of the drive system.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nWhat are the disadvantages of worm gears with a brass worm wheel, and when should a hobbyist engineer or OEM designer in Australia or South Korea consider an alternative drive format?<\/summary>\n
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The main disadvantages of a worm gear with a brass worm wheel<\/strong> are: lower efficiency than spur or helical gear stages (typically 60\u201375% for a dry-running M0.5 worm wheel at 20:1), the irreversibility of the drive in self-locking configurations (the worm wheel cannot back-drive the worm screw), and a lower absolute torque rating compared to a larger-module steel worm wheel of equivalent outside diameter. For hobbyist engineers or OEM designers in Australia or South Korea where the application requires either very high efficiency (more than 85%) for battery life reasons, or backdrivability (the output must be manually repositionable without motor power), an alternative such as a small spur gearbox or a lead-screw linear actuator should be evaluated. The brass worm wheel is the correct choice when compactness, self-locking, right-angle drive, and quiet operation are all required simultaneously \u2014 as they are in most camera, instrument, and miniature positioning applications.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nHow do I find a reliable brass worm wheel supplier who can provide matched worm and wheel sets in module M0.5 with OEM documentation for medical device or scientific instrument programmes in Europe?<\/summary>\n
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For medical device or scientific instrument OEM programmes in Europe requiring a matched brass worm wheel<\/strong> and steel worm shaft set at module M0.5, the key supplier qualifications are: ISO 9001:2015 certification with documented miniature gear hobbing capability at module M0.5, ability to supply a matched worm and worm wheel set with verified module compatibility, and availability of material certificates and dimensional inspection reports at delivery. Our EP series meets all three requirements. Custom bore diameters, tooth counts, and non-standard module sizes are accepted via OEM drawing submission, with drawing approval before production release. Sample orders of 1\u20135 pcs for first-article qualification are available, with lead times of 7\u201325 working days depending on configuration complexity.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nWhat are the worm and worm wheel uses in consumer electronics and smart home devices, and which module size should I specify for a motorised blind or curtain drive application in Canada or the UK?<\/summary>\n
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The worm and worm wheel is used in consumer electronics and smart home devices primarily for three reasons: the self-locking property holds the blind or curtain position without motor current (reducing standby power to near-zero), the high single-stage reduction ratio allows a small, quiet DC motor to generate adequate torque for operating a blind mechanism, and the right-angle drive allows the motor to be positioned along the blind rail axis rather than perpendicular to it. For motorised blind and curtain drive applications in Canada or the UK, module M0.5 to M0.8 with a 20\u201340 tooth worm wheel is typically adequate for light fabric blinds up to 2 m width. Heavier fabric, wider blinds, or vertical lift applications may require module M1.0 to M1.5 to handle the higher torque load without exceeding the brass worm wheel<\/strong>‘s tooth load rating. Our engineering team can advise on module selection based on your specific blind width, fabric weight, and motor specification.<\/p>\n<\/div>\n<\/details>\n<\/div>\n<\/div>\n<\/div>\n

\u00c9diteur : PXY<\/p>","protected":false},"excerpt":{"rendered":"

Le <\/span>Roue \u00e0 vis sans fin en laiton EP<\/span><\/strong> is a precision-engineered transmission component crafted from high-quality <\/span>Brass<\/span><\/strong>, offering excellent corrosion resistance and a distinctive yellow finish. Designed for compact mechanical systems, this unit features a <\/span>Module 0.5<\/span><\/strong> specification with <\/span>20 dents<\/span><\/strong> and a teeth diameter of <\/span>11.2mm<\/span><\/strong>. The wheel has an outer diameter of <\/span>11mm<\/span><\/strong>, a height of <\/span>12mm<\/span><\/strong>, and a <\/span>4mm bore<\/span><\/strong>, with an overall size of <\/span>12x11x4mm<\/span><\/strong>. It is paired with a matching worm shaft measuring <\/span>20mm in height<\/span><\/strong>, <\/span>9.8mm in outer diameter<\/span><\/strong>, et <\/span>3.17mm in inner diameter<\/span><\/strong>. Weighing only <\/span>16g<\/span><\/strong>, this lightweight assembly is ideal for small-scale automation, instrumentation, and hobbyist projects requiring reliable, low-friction power transmission in confined spaces.<\/span><\/p>","protected":false},"featured_media":2119,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[71],"product_tag":[],"class_list":["post-2118","product","type-product","status-publish","has-post-thumbnail","product_cat-worm-gear","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/superiortransmissioninc.com\/fr\/wp-json\/wp\/v2\/product\/2118","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/superiortransmissioninc.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/superiortransmissioninc.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/fr\/wp-json\/wp\/v2\/media\/2119"}],"wp:attachment":[{"href":"https:\/\/superiortransmissioninc.com\/fr\/wp-json\/wp\/v2\/media?parent=2118"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/fr\/wp-json\/wp\/v2\/product_brand?post=2118"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/fr\/wp-json\/wp\/v2\/product_cat?post=2118"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/fr\/wp-json\/wp\/v2\/product_tag?post=2118"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}