Matched helical gear and pinion set for reducer housings, carburized and tooth-profile ground.
Values below are the standard range keytrond holds for this part family. Tighter requirements are reviewed against the drawing before quotation.
| Tolerance range | GB/T 10095 grade 7, bore IT6 |
|---|---|
| Surface roughness | Ra 1.6 on tooth flank |
| Common materials | 20CrMnTi, 40Cr, 45#, ZCuSn10P1 |
| Surface treatment | Carburizing and quenching, Nitriding, Blackening |
| Machining processes | CNC Turning, Gear Cutting, Heat Treatment, Grinding |
| Max machining size | Module 0.5 - 8, Ø up to 400 mm |
| Applicable industries | Woodworking Machinery, Pipe Bending Machine, General Automation |
| Minimum order | 1 set for sample, 20 sets for batch |
| Lead time | Sample 8-10 days, batch 15-20 days |
| Drawing requirement | Please provide module, tooth number, pressure angle, helix angle, accuracy grade and heat treatment hardness. |
| Inspection item | Method and instrument |
|---|---|
| Tooth profile and pitch | Gear measuring center or tooth pitch gauge |
| Bore diameter | Bore gauge, IT6 |
| Case hardness | Rockwell tester, HRC 58-62 |
| Effective case depth | Section check on sample piece |
A first article inspection report with dimensional results, material certificate and heat treatment record is provided for sample orders. Batch orders are sampled at 10 percent, with full inspection available on request.
ShaftsPrecision ground shaft used as a linear measuring and guiding element, with controlled straightness over full length.
GlassMilled and ground guide block for glass edging machine conveyors, with matched mounting hole positions.
BushingsSliding bearing bushing with machined oil groove, bored to H7 for press fit into housings.
WormsWorm shaft for gear reducers, thread profile ground after carburizing to control pitch and lead.