Cut spiral bevel gear sets
Matched curved-tooth gear and pinion sets produced to approved hand, ratio, shaft-angle, mounting-distance, backlash, and contact requirements.
custom spiral bevel gears
Spiral Bevel Gears
Custom curved-tooth spiral bevel gear and pinion sets for intersecting-shaft transmission systems.
Customization
100% to Drawing / Sample
Precision Grade
DIN 4-7 / AGMA 11-13
Engineering DFM
< 24 Hours Turnaround
Quality System
ISO 9001:2015
Featured Product Model & RFQ Specifications
Custom Spiral Bevel Gear Set
High-torque curved-tooth spiral bevel gears and pinions manufactured as matched pairs for agricultural gearboxes, vehicle axles, and heavy reducers.
Product type
Matched spiral bevel gear and pinion pair (Gleason / Klingelnberg system)
Ratio capability
Speed reduction or increase ratios from 1:1 to 1:8 on intersecting shafts
Tooth parameters
Module (M1.5 - M18), spiral angle (typically 35ยฐ), pressure angle (20ยฐ), tooth depth system
Materials
Alloy carburizing steels (20CrMnTi, 18CrNiMo7-6, AISI 8620, 4320), alloy steel (42CrMo)
Manufacturing capability
Technical Overview & Engineering Capability for custom spiral bevel gears.
Custom spiral bevel gears use curved tooth lines on conical pitch surfaces to transmit motion between intersecting shafts. Progressive tooth engagement can support smoother running than a comparable straight bevel arrangement, but the geometry also creates axial and radial forces that must be handled by the bearings and housing. ZhongYi reviews spiral bevel gear and pinion enquiries as matched sets from buyer drawings, samples, and assembly data. Required information includes ratio, shaft angle, tooth counts, module or diametral pitch, pressure angle, spiral angle, right- and left-hand designation, pitch-cone geometry, mounting distances, backlash, contact pattern, bore or integral shaft features, material, heat treatment, tooth finishing, lubrication, load, speed, and duty cycle. The correct hand, pair identity, and installed position must remain traceable because a visually similar spiral gear is not automatically interchangeable with another set.
Tooth Accuracy DIN 4-7 / AGMA 11-13
Tooth Finishing CNC Ground (Ra โค0.4ยตm)
Heat Treatment Carburized 58-62 HRC
Product types & variants
Spiral Bevel Gears types and manufacturing paths.
The final product form is confirmed from the buyer drawing, mating component, assembly layout, operating conditions, and inspection requirements.
Ground spiral bevel gears
Heat-treated sets where the technical file specifies post-treatment tooth grinding, controlled finish, and the associated inspection plan.
Spiral bevel pinion shafts
Integral pinion shafts combining curved bevel teeth with bearing journals, shoulders, splines, threads, and drawing-defined datums.
Replacement spiral bevel pairs
Pair-based review using both original members, housing and bearing data, installed orientation, lubrication, failure history, and available drawings.
Selection & Metallurgy guidance
How to specify the correct spiral bevel gears configuration.
Treat spiral bevel gears as a matched engineering system. Confirm the tooth counts, ratio, shaft angle, spiral angle, right- and left-hand designation, module or DP, pressure angle, pitch-cone data, mounting distances, and required rotation direction. The housing and bearings must locate the pair consistently and support the resulting axial and radial forces. State the intended backlash and contact acceptance method together with torque, speed, duty cycle, shock load, lubricant, temperature, and expected operating environment. For replacement projects, submit both members and identify the drive and driven gear, observed tooth contact, installed orientation, and failure mode. Do not mix a spiral bevel component with a straight bevel or unrelated spiral member based only on diameter and tooth count.
Material & Heat Treatment Options
- Carbon steel for drawing-defined general machinery components
- Alloy steel for specified heat treatment, finishing, or wear duty
- Stainless steel for selected operating environments after design review
- Buyer-specified engineering materials evaluated with the mating member and lubricant
Engineering Selection Factors
- Ratio, shaft angle, tooth counts, spiral angle, and tooth hand
- Module or DP, pressure angle, cone geometry, and face width
- Mounting distances, contact pattern, backlash, and housing accuracy
- Bearing arrangement, axial and radial forces, shaft interfaces, and datums
- Material, heat treatment, finishing, lubrication, torque, speed, and duty cycle
Quality Control & Inspection Matrix
Engineering Evidence & 100% Inspection for Spiral Bevel Gears.
Overseas procurement teams require verifiable technical data, not unsupported claims. Every production batch at ZhongYi is inspected against approved CAD blueprints and international standards (DIN, AGMA, ISO).
Component-Specific Quality Focus:
Spiral bevel gear quality depends on transparent matched-pair control. ZhongYi can review pair numbers, tooth hand, drawing revisions, blank and shaft datums, mounting distances, heat treatment, tooth finishing, backlash, contact requirements, and inspection records before production. Depending on the approved plan, inspection may include dimensions, runout, tooth-related measurements, hardness, mounting-distance verification, backlash, and contact-pattern review. Pair identity and orientation should remain controlled through packing and shipment. Final gearbox noise, efficiency, torque capacity, temperature, and service life depend on the complete design, housing accuracy, bearings, lubrication, assembly, and test conditions; unsupported performance values are not added to the page.
Zeiss / Hexagon 3D CMM
Validates 3D spatial GD&T, bore concentricity, center distance, and geometric tolerances down to ยฑ0.002 mm.
Klingelnberg CNC Gear Analyzer
Inspects involute tooth profile error (fฮฑ), lead crowning (fฮฒ), pitch cumulative error (Fp), and radial runout (Fr).
Digital Micro-Vickers & Rockwell Testers
Verifies surface hardness (58โ62 HRC), core toughness, and effective carburized / nitrided case depth gradient.
Direct-Reading Optical Spectrometer
100% chemical composition verification of alloy steel forgings (20CrMnTi, 42CrMo, 18CrNiMo7-6, Stainless, POM).
Inspection Deliverables with Every Shipment
Complete Batch Traceability & Certified Test Reports
- EN 10204 Type 3.1 Mill Test Certificate (Chemical & Mechanical Properties)
- Zeiss 3D CMM Full Dimensional Inspection Sheet
- Klingelnberg Tooth Profile & Lead Crowning Graph Report
- Effective Carburized Case Depth & Hardness Curve Data
- 100% Pre-Shipment Visual, Thread & Anti-Rust Quality Verification
Our Factory Quality Commitment:
We maintain strict incoming material spectroscopy, in-process CNC tooth coordinate monitoring, and 100% final pre-shipment dimensional inspection. All custom gear batches are backed by our full manufacturing warranty.
ISO 9001:2015 Certified
DIN 4-7 / AGMA 11-13 Standards
Application fit
Spiral Bevel Gears operating environments.
Match the gear type with real machinery conditions, operating environment, load, speed, and replacement requirements.
- Industrial reducers and right-angle machinery drives
- Agricultural and construction machinery transmissions
- Vehicle, motorcycle, and axle-related gear components
- Matched replacement sets for documented spiral bevel assemblies
Application Markets
View All 5 Industry Hubs โ
Where Spiral Bevel Gears Are Engineered & Deployed
Discover how this gear category meets extreme torque, low backlash, quiet operation, and weather-resistance demands in primary industry sectors:
๐๏ธ Heavy-Duty & High-Impact Transmission
Construction & Mining Machinery
High-torque, impact-resistant gears, girth rings, and planetary drive sets engineered for excavators, cranes, drilling rigs, and heavy mining crushers.
๐ค Sub-Arcminute Motion & Dynamic Positioning
Automation & Robotics
Low-backlash, ultra-precise fine-pitch gears, ground helical racks, and planetary gearheads for robotics, AGV wheel drives, and high-speed motion axes.
๐พ Rugged Heavy-Torque Transmission
Agriculture & Farm Equipment
High-torque bevel gears, spur gears, and splined drive shafts for tractors, harvesters, rotary tillers, and agricultural PTO gearboxes.
Technical FAQ
Common technical and purchasing questions for Spiral Bevel Gears.
These answers support early engineering and procurement review. Final dimensions, materials, tolerances, and process requirements are confirmed against the approved drawing file.
Why must spiral bevel gears be ordered as a matched pair? โผ
The gear and pinion use complementary curved tooth geometry, opposite hands, defined mounting distances, and a controlled contact relationship. Replacing one member with an unrelated gear can cause poor contact, noise, heat, or early wear.
What information is required for a spiral bevel gear RFQ? โผ
Provide drawings for both members, ratio, tooth counts, shaft angle, module or DP, pressure angle, spiral angle and hand, mounting distances, backlash, contact requirement, bore or shaft details, material, heat treatment, quantity, load, speeds, duty, and lubrication.
Are spiral bevel gears always quieter than straight bevel gears? โผ
Their progressive engagement can support smoother operation, especially where the complete design and assembly are appropriate. Actual noise still depends on tooth accuracy, contact, mounting, bearings, housing stiffness, load, speed, lubrication, and testing.
24-Hour Engineering Quote & DFM Review
Upload Your Drawings for Spiral Bevel Gears Manufacturing
Send your 2D blueprints or 3D CAD models. Our senior gear engineering team will review tooth geometry, module/pitch, materials, heat treatment feasibility, and provide transparent factory pricing within 24 hours.
Supported CAD Blueprint & Drawing Formats:
STEP (.step / .stp) AutoCAD (.dwg / .dxf) IGES (.igs) SolidWorks / 3D CAD PDF Technical Blueprints Worn Physical Samples
Mutual NDA Protection
We sign strict Non-Disclosure Agreements to safeguard proprietary designs.
< 24h DFM Feedback
Rapid manufacturability review, tolerance checks, and unit quotation.
Direct Factory Engineering
Direct technical communication with senior master gear artisans.
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