Name: D2.3mm*51mm shafts for pump nozzle in automotive cars
Usage: shafts for pump nozzle in automotives
Roundness: 0.002mm
Runout: 0.006mm
Dia. tolerance: φ2.3mm 0/-0.003mm
Length tolerance: 51mm +-0.1mm
Hardness: HRC38-42 surface
Central: 0.003mm
Flat depth: 0.6mm 0/-0.05mm
Shaft picture as following
Process for shafts:
| Process Flow Chart | |||||||||||||||||
| Order No. | Material | Size | Cut Quantity | Remarks | |||||||||||||
| 200 Ф2.37 | Ф2.3×51.0 HY.0027.011 A0 Ver. | ||||||||||||||||
| Step | Process | Item | Control Standard | Finished Time | Checker | Received Qu. | Hand Over | pc/kg | Operator | Time | Wage Cal. | Award/Pay | Checker | Remarks | |||
| kgs | pcs | kgs | pcs | Price | Sum | ||||||||||||
| 1 | Cutting | Length | 51.0+0.06/-0.04 | ||||||||||||||
| Straightness | 0.010 straight both end, controled | ||||||||||||||||
| Hardness | |||||||||||||||||
| 2 | Chamfer colling | Chamfer | 2-R0.5-finished runout0.02 | ||||||||||||||
| 3 | Straight | Straightness | runout0.02 | ||||||||||||||
| 4 | Pre-grinding | Out-diameter | Ф2.3+0.04/+0.06 | ||||||||||||||
| 5 | Pre-grinding | Out-diameter | Ф2.3+0.010/+0.020 | ||||||||||||||
| runout | 0.005 surface no burrs | ||||||||||||||||
| 6 | Grinding flat | — | According to drawing | ||||||||||||||
| 7 | Grinding | O.D. | Ф2.3+0/-0.003 | ||||||||||||||
| O | 0.001 | ||||||||||||||||
| Ra | 0.10um | ||||||||||||||||
| Cylindrical | 0.002 | ||||||||||||||||
| runout | 0.005 | ||||||||||||||||
| 8 | Polish | Appearance | Ra0.06um surface bright | ||||||||||||||
| 9 | Inspection | — | Inspect all dimension according to drawing | ||||||||||||||
| 10 | Picking | Appearance | According to inspection specification | ||||||||||||||
| 11 | Packing | Accordign to Specification | Line | ||||||||||||||
| Bad Column.: | Bad .---pcs Material ---pcs Grinding ---pcs Yellow spot--- pcs Out machining ---pcs Grinding---pcs Cutting---pcs Others ----- pcs | ||||||||||||||||
The shafts used in the pump nozzle
Quality system: ISO9001, TS16949
Our factory:
Garden-like factory
Centreless grinding machines
Auto lather machine
High precision grinding
Products warehouse
Export wooden box
