{"id":1605,"date":"2026-09-08T03:16:59","date_gmt":"2026-09-08T03:16:59","guid":{"rendered":"https:\/\/superiortransmissioninc.com\/?post_type=product&p=1605"},"modified":"2026-09-08T05:17:41","modified_gmt":"2026-09-08T05:17:41","slug":"ep-medical-double-helical-gear","status":"publish","type":"product","link":"https:\/\/superiortransmissioninc.com\/ja\/product\/ep-medical-double-helical-gear\/","title":{"rendered":"EP-Medical \u30c0\u30d6\u30eb\u30d8\u30ea\u30ab\u30eb\u30ae\u30a2"},"content":{"rendered":"
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Precision Miniature Gear Engineering<\/p>\n

Engineered for applications where miniaturization, dimensional accuracy, and material purity are non-negotiable \u2014 the EP-Medical double helical gear<\/strong> delivers the axial-thrust-free, low-noise meshing performance that precision instruments, surgical devices, and aerospace actuators demand. With diameters from \u03a63 mm to \u03a6120 mm and modules from M0.15 to M2.0, this series covers the micro-gear segment that most heavy industrial gear producers cannot serve.<\/p>\n

\u30c0\u30d6\u30eb\u30d8\u30ea\u30ab\u30eb\u30ae\u30a2\u00a0<\/a><\/p>\n<\/div>\n

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Technical Specifications \u2014 Medical Double Helical Gear<\/h2>\n

The following table presents the verified product data for the EP-Medical Double Helical Gear series. All parameters reflect the certified production specification and are available for review in the product qualification documentation package supplied with sample orders.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u30d1\u30e9\u30e1\u30fc\u30bf<\/th>\n\u4ed5\u69d8<\/th>\n<\/tr>\n<\/thead>\n
Dimension Range<\/td>\n\u03a63 mm \u2013 \u03a6120 mm<\/td>\n<\/tr>\n
Standard Module<\/td>\nM0.2<\/td>\n<\/tr>\n
Module Range (Certified Series)<\/td>\nM0.15 \u2013 M2.0<\/td>\n<\/tr>\n
Toothed Portion Shape<\/td>\n\u30c0\u30d6\u30eb\u30d8\u30ea\u30ab\u30eb\u30ae\u30a2<\/td>\n<\/tr>\n
Material Type<\/td>\nMetal, Steel, Stainless, Copper, Brass, and Alloy as customized<\/td>\n<\/tr>\n
Meshing Grade<\/td>\nISO6, JGMA 1, JIS 6, AGMA 13, DIN 6, DIN 5, AGMA 12<\/td>\n<\/tr>\n
Application Sectors<\/td>\nAutomotive, Military, Aircraft, Mechanical, Industrial, Medical<\/td>\n<\/tr>\n
Customized<\/td>\nODM \/ OEM<\/td>\n<\/tr>\n
Sample<\/td>\nSample available<\/td>\n<\/tr>\n
Modes of Packing<\/td>\nVacuum-packed with Plastic Tray<\/td>\n<\/tr>\n
Modes of Delivery<\/td>\nDHL, UPS<\/td>\n<\/tr>\n
Certificate<\/td>\nISO 9001:2008 \/ TS 16949<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
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How the Medical Double Helical Gear Works<\/h2>\n

The operating principle of the EP-Medical double helical gear<\/strong> follows the same fundamental mechanics as its larger industrial counterparts, but the engineering significance of each characteristic is amplified by the miniature scale. At module M0.15 to M2.0 and diameters below \u03a6120 mm, the tooth dimensions are measured in fractions of a millimetre. A profile error of even a few micrometres represents a significant percentage of the total tooth height, making helical gear measurement<\/strong> and production accuracy at this scale a genuinely demanding engineering discipline, not a trivial scaling-down of standard gear production.<\/p>\n

The helical tooth form \u2014 teeth cut at an angle relative to the gear axis \u2014 produces the classic progressive engagement characteristic: contact begins at one edge of the tooth and sweeps across the face width as rotation continues. This is in contrast to a spur gear, where the entire tooth width engages instantaneously. At the speeds common in medical device actuators and precision instrumentation (often 1,000 to 30,000 rpm), the impulsive load of spur gear engagement generates vibration and acoustic emission that degrades measurement accuracy, affects servo bandwidth in closed-loop positioning, and \u2014 in implantable or patient-adjacent devices \u2014 produces unacceptable noise and mechanical disturbance. The helical tooth solves this by spreading the load transition over a rotation angle determined by the overlap ratio, effectively filtering out the tooth passing frequency from the transmitted force.<\/p>\n

\u306e double helical gear design<\/strong> extends this benefit by pairing two opposing helical rows on a single gear body. The left-hand and right-hand rows generate equal and opposite axial forces that cancel within the gear, so no net axial load reaches the shaft. In a \u03a612 mm gear at M0.15\u2013M2.0, this matters because the micro-bearings used at this scale often have axial load capacities comparable to \u2014 or lower than \u2014 their radial load ratings. Eliminating axial thrust is not a convenience at this scale; it is frequently a prerequisite for achieving the specified bearing life and positional accuracy in the assembled mechanism.<\/p>\n<\/div>\n

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Helical Gear Material \u2014 Multi-Material Capability for Critical Applications<\/h2>\n

The material range for the EP-Medical series is deliberately broad because no single helical gear material<\/strong> serves all the application sectors covered by this product. Medical device applications may require 316L stainless steel for its combination of corrosion resistance and biocompatibility, while dental handpiece gears typically specify cobalt-chromium or titanium alloys for their hardness and inertness. Military and aircraft applications often specify aerospace aluminum alloys or case-hardened alloy steels for their strength-to-weight advantage. Industrial and automotive applications within the module range covered here typically use standard alloy steels such as 20CrMo or 42CrMo, heat-treated to the required surface hardness.<\/p>\n

The production facility supports all of these material selections because the helical gear machining<\/strong> process \u2014 CNC hobbing and milling at micro-module dimensions \u2014 is fundamentally independent of the workpiece material as long as the cutting parameters and tooling are adjusted appropriately. Brass and copper alloys are used extensively in instrument gear trains where conductivity or low magnetic permeability is required. Stainless steel helical gears<\/strong> are the standard choice for food and pharmaceutical machinery where cleaning-in-place with aggressive chemicals is routine. Custom alloys specified by the customer \u2014 including precipitation-hardening stainless steels, beryllium copper, and aerospace aluminum grades \u2014 are accommodated through the ODM\/OEM customization workflow, with material certification provided as a standard deliverable.<\/p>\n

Every material lot used in production is accompanied by a mill certificate. Heat treatment, where applied, is documented with time-temperature records and hardness test results. These traceability documents are part of the standard shipment package for certified orders and support the design history file requirements of medical device quality systems under ISO 13485 and FDA 21 CFR Part 820. For aerospace procurement, material and process documentation supports AS9100 supplier qualification without additional data collection effort.<\/p>\n<\/div>\n<\/div>\n

 <\/p>\n

\"superiortransmissioninc-products-EP-Medical<\/p>\n

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Five Key Advantages of the EP-Medical Double Helical Gear<\/h2>\n
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Micro-Scale Precision Down to M0.15<\/p>\n

Producing a double helical gear<\/strong> at module M0.15 with correct helix geometry and certified meshing grade requires machine capability and process control that most gear producers simply do not have. The EP-Medical series achieves ISO6 and AGMA 13 accuracy at these dimensions, delivering tooth profile and pitch deviations measured in single-digit micrometres \u2014 the precision level that surgical robotics and aircraft actuator designers require but rarely find in standard catalog gear products.<\/p>\n<\/div>\n

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Zero Axial Thrust at Miniature Scale<\/p>\n

At gear diameters of \u03a63 mm to \u03a6120 mm, micro-bearing axial load capacity is often the binding constraint on helix angle selection in single helical gear designs. The double helical gear<\/strong> eliminates this trade-off entirely \u2014 any helix angle can be used without generating net axial shaft loads, freeing the designer to optimize overlap ratio for noise and smoothness without compromising bearing life. This is among the most practically significant advantages of double helical gear<\/strong> design at the precision miniature scale.<\/p>\n<\/div>\n

\n

Multi-Standard Meshing Grade Certification<\/p>\n

Medical device, aerospace, and military procurement teams operate under different national standards systems. The EP-Medical double helical gear<\/strong> is certified across ISO6, JGMA 1, JIS 6, AGMA 13, DIN 6, DIN 5, and AGMA 12 \u2014 a breadth of certification that eliminates re-qualification when the same gear design is sourced for a US aerospace program, a Japanese precision instrument, or a European medical device. Buyers from the UK, Germany, South Korea, Japan, the USA, and Australia can all reference their local accuracy standard against a single production specification.<\/p>\n<\/div>\n

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Broad Material Selection Including Stainless and Biocompatible Alloys<\/p>\n

Stainless steel helical gears<\/strong> for medical and food processing, brass for instrument drive trains, copper alloys for low-magnetic applications, and custom aerospace alloys \u2014 the material flexibility of this series means the gear geometry can be fixed while the material is tailored to the specific chemical, mechanical, and regulatory requirements of each application. All material selections are available with mill certification and lot traceability as standard deliverables, supporting quality system documentation under ISO 13485, AS9100, and IATF 16949.<\/p>\n<\/div>\n

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Vacuum Packaging and Expedited International Delivery<\/p>\n

Precision micro-gears at M0.15\u2013M2.0 are susceptible to surface damage from contact, humidity, and contamination between production and installation. Vacuum packing in dedicated plastic trays is the packaging standard for the EP-Medical series \u2014 a protection level appropriate for class-I and class-II medical device component supply. DHL and UPS delivery modes are standard, enabling reliable transit to medical device OEM assembly facilities in Germany, South Korea, the UK, Australia, Canada, and the USA within lead times that support agile production scheduling. Samples of every new specification are available prior to production commitment, allowing full dimensional and material verification before the production order is placed.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Meshing Grade Standards \u2014 What the Certifications Mean<\/h2>\n

The EP-Medical Double Helical Gear is certified across seven gear accuracy standards from four different national and international standards bodies. Understanding what each grade means in practical terms helps engineers select the correct specification for their application without over- or under-specifying accuracy, both of which have cost and lead-time implications in custom made helical gears<\/strong>.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n
Standard<\/th>\nGrade<\/th>\n\u4ee3\u8868\u7684\u306a\u7528\u9014<\/th>\n<\/tr>\n<\/thead>\n
ISO 1328<\/td>\nISO 6<\/td>\nPrecision instrument gears, medical device actuators<\/td>\n<\/tr>\n
JGMA<\/td>\nJGMA 1<\/td>\nJapanese precision machinery, aerospace instruments<\/td>\n<\/tr>\n
JIS B 1702<\/td>\nJIS 6<\/td>\nSouth Korean and Japanese industrial precision drives<\/td>\n<\/tr>\n
AGMA 2000<\/td>\nAGMA 13<\/td>\nUS aerospace, military, and high-precision medical<\/td>\n<\/tr>\n
DIN 3962<\/td>\nDIN 6<\/td>\nGerman precision machinery, automotive sub-assemblies<\/td>\n<\/tr>\n
DIN 3962<\/td>\nDIN 5<\/td>\nHigh-precision German instrument and measurement systems<\/td>\n<\/tr>\n
AGMA 2000<\/td>\nAGMA 12<\/td>\nUS and Canadian precision industrial and military drives<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

It is worth noting that the direction of the accuracy numbering differs between standards: ISO and DIN use lower numbers for higher accuracy (ISO 3 is more precise than ISO 8), while AGMA uses higher numbers for higher accuracy (AGMA 13 is more precise than AGMA 10). This means AGMA 13 and ISO 6 \/ DIN 6 represent broadly equivalent precision tiers \u2014 the upper end of the accuracy range covered by the EP-Medical series \u2014 both of which are appropriate for medical device and aerospace applications requiring tight pitch and profile control.<\/p>\n<\/div>\n

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Application Scenarios \u2014 Where the EP-Medical Double Helical Gear Is Used<\/h2>\n

\u306e double helical gear applications<\/strong> served by the EP-Medical series span a wide range of high-precision sectors. Each application listed below has different requirements, but all share the common need for very small gear dimensions, high accuracy grades, and material or surface quality appropriate for the operating environment.<\/p>\n

\n
\n

Medical Devices & Surgical Robotics<\/p>\n

Surgical robot joint actuators, infusion pump drive systems, and powered surgical tools use miniature gear trains where backlash, noise, and positional error are measured in microns. The double helical gear<\/strong> form, with its high overlap ratio and zero axial thrust, reduces the compliance and vibration in these drive chains to levels that allow closed-loop position control at the precision required for minimally invasive procedures. Stainless steel and titanium alloy options support biocompatibility requirements for body-adjacent applications.<\/p>\n<\/div>\n

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Military & Defence Optronics<\/p>\n

Stabilized sighting systems, night-vision device actuators, and targeting mechanism drives require micro-gears that maintain angular accuracy under vibration, temperature cycling, and shock loads encountered in field deployment. AGMA 13 and ISO 6 accuracy grades ensure that gear errors do not contribute measurably to the pointing accuracy budget. Custom alloy options including aircraft-grade aluminum and high-strength steel support weight and reliability requirements in airborne and vehicle-mounted systems used by Australian, UK, and German defence equipment buyers.<\/p>\n<\/div>\n

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Aircraft Avionics & UAV Actuation<\/p>\n

Flight control actuators, trim tab mechanisms, and UAV payload positioning systems specify gear components that meet aerospace accuracy grades and can be traced back to raw material certification. The module M0.15\u2013M2.0 range of this series covers the size envelope of many avionics actuator gear trains. The combination of available AGMA 13 certification and aerospace material grades (6061-T6, 7075-T6, 17-4PH stainless) make this series suitable for AS9100-qualified aerospace supply chains in Canada, the UK, South Korea, and Germany.<\/p>\n<\/div>\n

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Precision Industrial Instruments<\/p>\n

Flow meters, analytical instruments, coordinate measuring machine probe drives, and spectroscopy positioning systems all rely on miniature gear trains that must move smoothly with minimal velocity ripple. The low dynamic load and high contact ratio of the double helical gear<\/strong> at small modules means that the tooth passing frequency disturbance to the measurement system is minimized \u2014 a requirement that DIN 5 and DIN 6 accuracy grades are specifically designed to ensure in the German precision instrument manufacturing tradition.<\/p>\n<\/div>\n

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Automotive Precision Subassemblies<\/p>\n

Electric power steering systems, variable valve timing actuators, and transmission shift control mechanisms use small-module helical gears<\/strong> that must meet TS 16949 quality system requirements throughout the supply chain. The EP-Medical series carries ISO 9001:2008 \/ TS 16949 certification and is supplied with the PPAP-compatible documentation expected by Korean, German, and Japanese OEM automotive procurement teams. Brass and alloy steel material options cover the range of application environments encountered in this sector.<\/p>\n<\/div>\n

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Dental & Laboratory Equipment<\/p>\n

Dental handpiece turbines, micromotor drives, and laboratory centrifuge gear stages operate at high rotational speeds with strict requirements on vibration, heat generation, and resistance to sterilization protocols. The smooth, low-dynamic-load meshing of the double helical gear<\/strong> at miniature modules reduces heat generation compared to spur gears of equivalent pitch, extending lubrication service intervals and improving patient comfort in clinical settings. Stainless steel material with autoclave-compatible surface finish is the preferred option for this sector.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Related Products \u2014 Complete Miniature Drive System Supply<\/h2>\n

Precision miniature drives rarely consist of a single gear pair. Complete gear trains, rack-and-pinion linear stages, and multi-stage reduction assemblies require consistent accuracy and material standards across all components. Sourcing the full complement of drive components from a single manufacturer eliminates compatibility uncertainty, simplifies qualification documentation, and reduces procurement overhead for medical device OEMs and aerospace integrators managing complex component qualification programs across development and production phases.<\/p>\n

\n
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Precision \u30d8\u30ea\u30ab\u30eb\u30ae\u30a2<\/a> \u30b7\u30ea\u30fc\u30ba<\/p>\n

Our single helical gear range in the same micro-module sizes complements the double helical series in multi-stage gear trains where the first reduction stage uses a double helical gear for its axial-thrust-free characteristic and subsequent stages use single helical gears where the lower part count simplifies the shaft and housing design. Both series share the same material options, accuracy grade certifications, and quality documentation standards, making mixed-series assemblies straightforward to qualify and procure. Available in stainless, brass, alloy steel, and custom alloys throughout the M0.15\u2013M2.0 module range.<\/p>\n

\"Precision<\/div>\n<\/div>\n
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Precision \u30ae\u30a2\u30e9\u30c3\u30af<\/a> \u2014 Linear Stage Integration<\/p>\n

Linear positioning stages in medical imaging equipment, laboratory automation, and semiconductor inspection systems use precision helical gear racks meshing with small-module helical pinions. The same helical tooth geometry that gives the double helical gear its smooth rotary transmission extends to the linear domain in the rack-and-pinion arrangement, delivering smooth traversal with the reduced velocity ripple that optical and measurement applications demand. Our gear rack range is produced to matching accuracy grades and material standards, ensuring direct dimensional compatibility with the EP-Medical helical pinion series without custom adaptation tooling or fitting allowances.<\/p>\n

\"Precision<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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About Our Production Facility \u2014 Precision Gear Manufacturing Since Over a Decade<\/h2>\n

With more than ten years of experience in mechanical transmission component manufacturing, our facility has developed the production capability and quality management infrastructure to serve the most demanding segments of the gear market \u2014 from standard agricultural gearboxes to the certified miniature double helical gears<\/strong> in the EP-Medical series. We operate as a direct manufacturer, which means engineering queries are handled by the people who run the production process, not intermediaries, and documentation requests are answered from the actual production records rather than from estimates.<\/p>\n

Our product range covers agricultural gearboxes, worm gear reducers, planetary gear drives, power take-off shaft assemblies, hydraulic cylinders, precision gears across a wide module range, roller chains, sprockets, worm gears, pulleys, worm shafts, and custom mechanical assemblies to customer specification. Gearbox and housing casting materials include ductile iron, cast iron, cast steel, precision cast steel, and cast aluminum \u2014 giving OEM customers genuine design flexibility rather than forcing adaptation to a fixed catalog. The facility holds ISO 9001:2015<\/strong> certification covering all production and inspection processes, with the EP-Medical series additionally supported by TS 16949 certification for automotive-sector customers and quality documentation packages compatible with ISO 13485 medical device quality systems.<\/p>\n

\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7<\/h3>\n
\n
\"Precision
\n\"Gearbox
\n\"\u7d44\u7acb\u30e9\u30a4\u30f3\u751f\u7523\"
\n\"CNC<\/div>\n<\/div>\n<\/div>\n
\n

\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n
\n
\nWhat are the key advantages of using a double helical gear over a single helical gear in a miniature surgical robot actuator used by UK medical device OEMs?
\n\u25bc<\/span><\/summary>\n
\n

For a miniature surgical robot actuator, the advantages of double helical gear<\/strong> over a single helical gear are particularly pronounced. At the small shaft diameters involved, even a modest helix angle on a single helical gear generates axial forces that stress the micro-bearings and potentially deflect the shaft, introducing positional error that degrades the surgeon’s tactile feedback or instrument positioning accuracy. The double helical gear eliminates this entirely \u2014 both rows of helical teeth generate equal and opposite axial forces that cancel within the gear body, leaving the bearings to handle only radial loads. The result is a higher achievable helix angle, a better overlap ratio, smoother velocity transmission, and lower noise \u2014 all in a package where the shaft and bearing design is simpler than a comparable single helical arrangement. For UK medical device OEMs working under ISO 13485, the documented production process and material traceability further simplify regulatory submissions.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nHow are miniature double helical gears made at module M0.15, and what accuracy is achievable for aerospace applications in Germany and Canada?
\n\u25bc<\/span><\/summary>\n
\n

Miniature double helical gears<\/strong> at module M0.15 are produced by CNC gear hobbing on machines with micro-module tooling capability, combined with precision workholding and thermal stabilization of the machining environment. At M0.15, a full tooth height is below 0.35 mm, which means the CNC machine’s positioning resolution, spindle runout, and thermal drift during the cutting cycle all contribute directly to the final gear accuracy. Achieving ISO 6 or AGMA 13 accuracy at this module requires measured process capability \u2014 not just a machine that can theoretically reach the tolerance, but statistical evidence that the process consistently delivers to that tolerance across the full lot. For German aerospace customers working under AS9100 and for Canadian defence procurement, the documented process capability data and first article inspection reports provided with sample orders constitute the evidence base needed to qualify the supplier without independent facility audits.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

\n
\nWhich stainless steel grade is best for a double helical gear used in an autoclavable dental handpiece drive train for Australian and South Korean dental equipment manufacturers?
\n\u25bc<\/span><\/summary>\n
\n

For an autoclavable dental handpiece double helical gear<\/strong>, 17-4PH precipitation-hardening stainless steel is the most widely specified material in this application for both Australian and South Korean dental equipment manufacturers. 17-4PH provides the best combination of corrosion resistance, surface hardness (achievable to 40\u201344 HRC after H900 condition heat treatment), and machinability in the M0.15\u2013M2.0 module range. It withstands repeated steam autoclave cycles at 134\u00b0C without dimensional change or surface degradation, and its magnetic properties, while detectable, are acceptable for most dental device classifications. For applications requiring non-magnetic materials \u2014 certain MRI-compatible instruments \u2014 316L stainless steel is the alternative, trading some surface hardness for guaranteed non-magnetic behavior. Both options are available with mill certification and lot traceability through this product series.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nWhat is the purpose of using a double helical gear in a precision laboratory instrument drive system where vibration isolation is critical for Brazilian and European analytical equipment?
\n\u25bc<\/span><\/summary>\n
\n

The purpose of the double helical gear<\/strong> in a laboratory instrument drive is to minimize the dynamic force transmitted through the gear mesh at the tooth passing frequency and its harmonics. In analytical instruments \u2014 mass spectrometers, atomic force microscopes, high-resolution optical encoders \u2014 even micro-vibrations at frequencies above 100 Hz can corrupt measurement data. A spur gear transmits a distinct force pulse every time a tooth pair comes into full engagement; this pulse propagates through the gearbox housing into the measurement structure. A single helical gear reduces this pulse through progressive engagement, but still transmits a residual axial force variation. A double helical gear combines the smoothing of progressive engagement with complete elimination of axial force variation, producing the lowest dynamic force footprint of any standard gear form. For Brazilian and European analytical equipment OEMs building instruments to ISO 17025 laboratory standards, this difference in dynamic behavior is a specification-determining factor rather than a marginal improvement.<\/p>\n<\/div>\n<\/details>\n<\/div>\n

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\nWhere can military defence electronics integrators in Australia and the UK source custom AGMA 13 rated double helical gears with full material and process traceability documentation?
\n\u25bc<\/span><\/summary>\n
\n

Military and defence electronics integrators in Australia and the UK sourcing AGMA 13-rated custom made helical gears<\/strong> with full traceability should seek manufacturers who control both the material procurement and the machining process, since splitting these responsibilities across a material distributor and a machining subcontractor introduces traceability gaps that are problematic in defence supply chain audits. For this series, the standard documentation package covers the raw material mill certificate identifying the alloy lot, heat treatment records with measured hardness data, the gear inspection report with actual measured deviations referenced to AGMA 13 tolerance bands, and the packaging inspection record confirming vacuum packaging integrity before dispatch. This documentation set supports DMSMS and configuration management requirements for Australian and UK defence procurement without additional documentation requests. Sample orders for qualification testing are available for any specification within the M0.15\u2013M2.0, \u03a63 mm\u2013\u03a6120 mm envelope.<\/p>\n<\/div>\n<\/details>\n<\/div>\n<\/div>\n

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Request a Sample or Production Quotation<\/h2>\n

Provide your module, outer diameter, material specification, accuracy grade, and application description to receive a detailed manufacturing proposal for your double helical gear<\/strong> requirement. Samples with full dimensional and material inspection reports are dispatched internationally via DHL and UPS.<\/p>\n<\/div>\n<\/div>\n

 <\/p>\n

\u7de8\u96c6\u8005: PXY<\/p>","protected":false},"excerpt":{"rendered":"

The EP-Medical Double Helical Gear is a precision miniature gear component produced across a dimensional range of \u03a63 mm to \u03a6120 mm with a minimum module of M0.2 in the standard series and M0.15 in the meshing-grade certified series. The product is specifically positioned for sectors where the consequences of gear failure extend beyond mechanical downtime \u2014 medical devices, military systems, aircraft actuators, and precision industrial instruments all fall within the stated application scope.<\/p>\n

The double helical gear tooth form is selected for this product family rather than a simple spur or single helical configuration for specific engineering reasons. In miniature drive systems \u2014 the kind found in surgical robotics, dental handpieces, portable medical pumps, and precision positioning systems \u2014 the axial forces generated by a single helical gear can represent a significant fraction of the bearing’s radial load capacity. At the diameters covered by this series, even modest helix angles generate axial force components that affect bearing preload settings, shaft deflection, and ultimately the positional accuracy of the driven mechanism. The double helical geometry eliminates this problem entirely, allowing the gear designer to specify higher helix angles \u2014 and therefore higher overlap ratios and smoother operation \u2014 without introducing axial force management complexity into the bearing and housing design.<\/p>","protected":false},"featured_media":1606,"template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[62,60],"product_tag":[],"class_list":["post-1605","product","type-product","status-publish","has-post-thumbnail","product_cat-double-helical-gear","product_cat-helical-gear","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/superiortransmissioninc.com\/ja\/wp-json\/wp\/v2\/product\/1605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/superiortransmissioninc.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/superiortransmissioninc.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ja\/wp-json\/wp\/v2\/media\/1606"}],"wp:attachment":[{"href":"https:\/\/superiortransmissioninc.com\/ja\/wp-json\/wp\/v2\/media?parent=1605"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ja\/wp-json\/wp\/v2\/product_brand?post=1605"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ja\/wp-json\/wp\/v2\/product_cat?post=1605"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/superiortransmissioninc.com\/ja\/wp-json\/wp\/v2\/product_tag?post=1605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}