Start With an Engineering Review
PinyiGear works as an engineering partner rather than a quotation desk. Before any price is issued, our engineers examine the drawing or technical requirement you send for manufacturability, material selection, tolerance feasibility and production routing.
What to Send Us
Accuracy of the review and the resulting quotation depends directly on the technical detail supplied.
1. Drawing or Sample
Accepted formats: PDF, DWG, DXF, STEP, IGES, STL. Maximum file size 25MB. A physical sample can also be sent, and we will reverse-engineer it.
2. Product Type and Application
- **Product Type ***: Spur / Helical Gear; Bevel Gear; Worm Gear & Wheel; Internal / Ring Gear; Planetary Set; Gear Shaft / Spline; Rack; Magnetic Coupling; Other / Not Sure
- **Application ***: Robotics / Cobots; Automation Equipment; Precision Machinery; Industrial Gearbox; Vacuum Equipment; Medical / Laboratory; Food Processing; Other
3. Technical Parameters
- Module
- Teeth
- Required Accuracy *: DIN 4-5 / ISO 3 (grinding); DIN 5 / ISO 5 (grinding); DIN 7 / ISO 7; per drawing specification
- Backlash Requirement
- Noise Requirement
- RPM / Torque / Load
- Operating Environment
- Inspection Standard Required
4. Material and Heat Treatment
Material options:
- 20CrMnTi (carburizing)
- 40Cr
- 42CrMo
- 45# Carbon Steel
- 38CrMoAl (nitriding)
- Stainless Steel
- Brass / Alloy
- Engineering Plastic (PA12G etc.)
- Other / Per Drawing
Heat treatment and hardness options:
- Carburizing HRC 58–63
- Nitriding HV 850+
- Induction Hardening HRC 45–55
- Quench & Temper HB 220–320
- No heat treatment
- Other / Per Drawing
5. Quantity and Program
- Initial Quantity *
- Expected Annual Volume
- Project Stage: Design phase (early engagement); Prototype validation; Series production; Redesign / improvement
- Delivery Country *
6. Contact Details
- Name *
- Company
- Email *
- Phone / WhatsApp
- Additional Technical Notes
Submit for Engineering Review →
Every inquiry passes through an engineering review. What comes back is an engineering assessment rather than a bare figure. If PinyiGear is not the right fit for the job, we will say so plainly.