{"id":1131,"date":"2026-08-27T08:05:34","date_gmt":"2026-08-27T08:05:34","guid":{"rendered":"https:\/\/www.farm-equipment-parts.com\/?post_type=product&p=1131"},"modified":"2026-08-27T08:33:53","modified_gmt":"2026-08-27T08:33:53","slug":"ground-helical-gear-module-1-5","status":"publish","type":"product","link":"https:\/\/www.farm-equipment-parts.com\/id\/produk\/ground-helical-gear-module-1-5\/","title":{"rendered":"Ground Helical Gear \u2014 Module 1.5"},"content":{"rendered":"
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DIN6 Grade 5 | Ground Helical Gear<\/p>\n

Ground Helical Gear \u2014 Module 1.5<\/h2>\n

40Cr \/ 20CrMnTi Steel \u00a0|\u00a0 HRC48\u201355 \/ HRC55\u201360 \u00a0|\u00a0 Helix Angle 19\u00b031’42” \u00a0|\u00a0 Gear Ground Finish<\/p>\n

\ud83d\udce7 Get a Quote<\/a>
\nRequest Datasheet<\/a><\/p>\n<\/div>\n<\/div>\n

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What Makes This Gear Different?<\/h2>\n

The Ground Helical Gear Module 1.5 is engineered to DIN6 Grade 5 tolerances, representing a step above standard industrial gearing in both surface finish and dimensional accuracy. Manufactured from high-alloy 40Cr or 20CrMnTi steel, each gear undergoes either high-frequency induction hardening (HRC48\u201352) or full carburising and quenching (HRC55\u201360), depending on the application demand. The tooth flanks are then precision ground \u2014 a critical final process that removes all heat-treatment distortion, delivering a tooth profile that is geometrically perfect and ready for high-load, low-noise operation.<\/p>\n

With a helix angle of 19\u00b031’42”, these helical gears transmit torque gradually across the face width, dramatically reducing impact loading and operational noise compared with straight-cut spur gears. Industries across the United Kingdom \u2014 from automated packaging lines in the East Midlands to robotics integrators in the Thames Valley \u2014 rely on this geometry for demanding continuous-duty cycles.<\/p>\n

DIN6 Grade 5<\/span>
\nGear Ground<\/span>
\n40Cr \/ 20CrMnTi<\/span>
\nHRC55\u201360 Available<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Related Products in Our Rack & Rail Range<\/p>\n

\u25b6 Rectangular Guide Rail<\/a>
\n\u25b6 V-Type Ground Helical Guide Rack<\/a><\/div>\n<\/div>\n

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Core Specifications at a Glance<\/h2>\n
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Accuracy Grade<\/p>\n

DIN6 Gr.5<\/p>\n<\/div>\n

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Module<\/p>\n

1.5<\/p>\n<\/div>\n

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Helix Angle<\/p>\n

19\u00b031’42”<\/p>\n<\/div>\n

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Material<\/p>\n

40Cr \/ 20CrMnTi<\/p>\n<\/div>\n

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Max Hardness<\/p>\n

HRC55\u201360<\/p>\n<\/div>\n

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Finish Process<\/p>\n

Gear Ground<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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How Ground Helical Gears Work \u2014 And Why the Process Matters<\/h2>\n
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A helical gear’s teeth are cut at an angle to the gear axis \u2014 in this case 19\u00b031’42”. As the gear rotates, each tooth engages its mating rack or pinion gradually along the face width rather than in an instantaneous line contact, which is how straight spur gears work. This continuous engagement spreads the load across multiple teeth simultaneously, resulting in smoother torque delivery, considerably lower noise emissions, and dramatically extended fatigue life under cyclic loading conditions.<\/p>\n

The ground helical gear process begins with gear hobbing or shaping to rough form, followed by heat treatment. Heat treatment inevitably introduces minor geometric distortion to the tooth flanks. The critical final step \u2014 gear grinding \u2014 removes this distortion using CNC-controlled abrasive wheels that trace the exact involute profile. The result is a tooth surface accurate to within a few microns, far exceeding what hobbing or shaving alone can achieve. This gear grinding step is precisely why DIN6 Grade 5 is attainable, making this gear suitable for servo-driven precision axes, high-speed indexing tables, and medical or semiconductor equipment where positioning repeatability is paramount.<\/p>\n<\/div>\n

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Material Deep-Dive<\/p>\n

40Cr Steel<\/strong> \u2014 A chromium alloy steel offering excellent through-hardening capability. After high-frequency induction hardening, surface hardness reaches HRC48\u201352 while the core remains tough and ductile. Ideal for moderate-impact applications requiring good fatigue resistance.<\/p>\n

20CrMnTi Steel<\/strong> \u2014 A chromium-manganese-titanium case-hardening steel widely used for high-demand gearing. Full carburising and quenching brings the surface to HRC55\u201360 with a hardened case depth of 0.8\u20131.2 mm, giving the gear a wear-resistant exterior combined with a tough, shock-absorbing core. The choice for demanding UK automation, defence, and food-processing applications.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n

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Where UK Engineers Deploy This Gear<\/h2>\n
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\u2699 CNC Machining Centres<\/p>\n

High-speed rack-and-pinion drives on gantry-style machining centres, laser cutting beds, and plasma tables across the UK’s fabrication sector demand the positional accuracy that only gear-ground components can deliver consistently.<\/p>\n<\/div>\n

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\ud83d\udd27 Packaging & Food Lines<\/p>\n

Servo-driven filling, sealing, and labelling machines in food manufacturing facilities across Yorkshire and the Midlands use ground helical gears to meet stringent hygienic runout tolerances while maintaining high throughput speeds without excessive noise.<\/p>\n<\/div>\n

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\ud83e\udd16 Robotics & Automation<\/p>\n

Collaborative robot (cobot) linear axes, SCARA pick-and-place systems, and automated warehouse solutions increasingly specified in Scotland and the South East rely on the low backlash and predictable transmission error of precision ground helical gearing.<\/p>\n<\/div>\n

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\ud83d\udcc8 Medical & Life Sciences<\/p>\n

OEM equipment builders producing imaging, laboratory automation, and surgical platform systems based in Cambridge and Oxford research corridors rely on DIN6 Grade 5 ground gears for the micron-level repeatability their instruments demand.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Six Engineering Advantages Worth Specifying<\/h2>\n
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\ud83c\udfaf<\/p>\n

DIN6 Grade 5 Accuracy<\/p>\n

Tight tolerance on profile, lead, and pitch errors translates directly to lower backlash and better positioning repeatability in your machine build.<\/p>\n<\/div>\n

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\ud83d\udd0a<\/p>\n

Low Noise Operation<\/p>\n

The helical tooth form distributes contact gradually, reducing impact noise by 6\u201310 dB compared with spur gears of the same module under equivalent load conditions.<\/p>\n<\/div>\n

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\ud83d\udd25<\/p>\n

Superior Wear Resistance<\/p>\n

A case-hardened surface at HRC55\u201360 withstands abrasive wear and adhesive scuffing, extending overhaul intervals and reducing unplanned downtime on production lines.<\/p>\n<\/div>\n

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\u2699<\/p>\n

Higher Load Capacity<\/p>\n

Multi-tooth simultaneous contact spreads bending and contact stress, allowing a smaller module gear to carry loads that would require a larger spur gear, saving space and weight in tight machine envelopes.<\/p>\n<\/div>\n

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\ud83d\udcce<\/p>\n

Broad Size Range<\/p>\n

Twelve standard codes cover bore diameters from 14 mm to 25 mm with face widths from 19 mm to 65 mm, giving specifying engineers the freedom to match the gear to the shaft without compromising on quality grade.<\/p>\n<\/div>\n

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\ud83d\udd04<\/p>\n

Drop-In Compatibility<\/p>\n

Standardised keyway and bolt-circle dimensions allow direct replacement of worn standard gears without modification to housings, shafts, or existing rack assemblies \u2014 minimising retrofit engineering time.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Technical Specifications<\/h2>\n

Unit \/ Dimension: mm \u00a0|\u00a0 All specifications subject to change without prior notice. Please confirm with our technical team before ordering.<\/p>\n

\"Ground<\/p>\n

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Accuracy Grade<\/p>\n

DIN6 International Grade 5<\/p>\n<\/div>\n

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Material<\/p>\n

40Cr \/ 20CrMnTi<\/p>\n<\/div>\n

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Tooth Type<\/p>\n

Helical (Right-hand)<\/p>\n<\/div>\n

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Helix Angle<\/p>\n

19\u00b031’42”<\/p>\n<\/div>\n

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Hardness Treatment<\/p>\n

H.F. Induction HRC48\u201352\u00b0 \/ Full Carburising HRC50\u201355\u00b0<\/p>\n<\/div>\n

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Manufacturing Process<\/p>\n

Gear Tooth Surface Ground<\/p>\n<\/div>\n<\/div>\n

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\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Code<\/th>\nModule<\/th>\nTooth No.<\/th>\nd1H6<\/th>\nd2<\/th>\nd3<\/th>\nD<\/th>\nW1<\/th>\nW2<\/th>\nW3<\/th>\nWJS9<\/th>\nM<\/th>\n<\/tr>\n<\/thead>\n
YMCL151433<\/td>\n1.5<\/td>\n25<\/td>\n14<\/td>\n\u03a626<\/td>\n\u03a639.97<\/td>\n\u03a642.97<\/td>\n19<\/td>\n33<\/td>\n16.3<\/td>\n5<\/td>\n4<\/td>\n<\/tr>\n
YMCL151635<\/td>\n1.5<\/td>\n24<\/td>\n16<\/td>\n\u03a628<\/td>\n\u03a638.20<\/td>\n\u03a641.20<\/td>\n15<\/td>\n35.5<\/td>\n18.3<\/td>\n5<\/td>\n6<\/td>\n<\/tr>\n
YMCL151935<\/td>\n1.5<\/td>\n24<\/td>\n19<\/td>\n\u03a628<\/td>\n\u03a638.20<\/td>\n\u03a641.20<\/td>\n15<\/td>\n35.5<\/td>\n21.8<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
YMCL152250<\/td>\n1.5<\/td>\n30<\/td>\n22<\/td>\n\u03a638<\/td>\n\u03a647.74<\/td>\n\u03a650.74<\/td>\n25<\/td>\n50<\/td>\n24.8<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
YMCL152035<\/td>\n1.5<\/td>\n24<\/td>\n20<\/td>\n\u03a628<\/td>\n\u03a638.20<\/td>\n\u03a641.20<\/td>\n15<\/td>\n35.5<\/td>\n22.8<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
YMCL152555<\/td>\n1.5<\/td>\n42<\/td>\n25<\/td>\n\u03a647<\/td>\n\u03a666.84<\/td>\n\u03a669.84<\/td>\n25<\/td>\n55<\/td>\n28.3<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
YMCL152043<\/td>\n1.5<\/td>\n26<\/td>\n20<\/td>\n\u03a632<\/td>\n\u03a641.38<\/td>\n\u03a644.38<\/td>\n22<\/td>\n43<\/td>\n22.8<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
YMCL152045<\/td>\n1.5<\/td>\n30<\/td>\n20<\/td>\n\u03a638<\/td>\n\u03a647.74<\/td>\n\u03a650.74<\/td>\n25<\/td>\n45<\/td>\n22.8<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
YMCL152055<\/td>\n1.5<\/td>\n30<\/td>\n20<\/td>\n\u03a638<\/td>\n\u03a647.74<\/td>\n\u03a650.74<\/td>\n25<\/td>\n55<\/td>\n22.8<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
YMCL152065<\/td>\n1.5<\/td>\n30<\/td>\n20<\/td>\n\u03a638<\/td>\n\u03a647.74<\/td>\n\u03a650.74<\/td>\n25<\/td>\n65<\/td>\n22.8<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
YMCL152265<\/td>\n1.5<\/td>\n30<\/td>\n22<\/td>\n\u03a638<\/td>\n\u03a647.74<\/td>\n\u03a650.74<\/td>\n25<\/td>\n65<\/td>\n24.8<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n
YMCL152555<\/td>\n1.5<\/td>\n30<\/td>\n25<\/td>\n\u03a638<\/td>\n\u03a647.74<\/td>\n\u03a650.74<\/td>\n25<\/td>\n55<\/td>\n27.8<\/td>\n6<\/td>\n6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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Custom Manufacturing & Factory Capability<\/h2>\n
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Our manufacturing facility operates a dedicated gear grinding division with Reishauer and KAPP-NILES CNC grinding centres, supported by a full in-house heat treatment shop, CMM quality lab, and gear metrology station. This integrated process chain means every ground helical gear leaves our factory with full traceability from raw material certificate to final inspection report. UK procurement teams and engineering managers who have worked with us directly consistently remark on the consistency of our lot-to-lot dimensional accuracy \u2014 something that matters enormously when building multi-axis machines where gear interchangeability is required.<\/p>\n

Beyond standard catalogue sizes, we offer a comprehensive custom gear manufacturing service tailored to your application’s exact requirements. Whether you need a non-standard bore diameter, a modified tooth count to achieve a specific gear ratio, a bespoke face width, or a special surface coating (black oxide, phosphating, or custom plating), our engineering team can accommodate the request with a lead time competitive with UK-based suppliers. Custom orders can be placed with no minimum order quantity penalty for prototyping runs, making us a practical partner for product development as much as production supply.<\/p>\n

\ud83d\udce7 Get a Quote for Custom Gears<\/a><\/p>\n<\/div>\n

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Custom Options Available<\/p>\n