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Engine Valve Bar Material Chamfering Machine

MOQ: 1 Pieces
Delivery time: 15 Day
High quality materials, sturdy and durable, fully upgraded, professional quality, Light weight, high strength, low cost, and good performance
Product Details

1. Processing range (the original state of the workpiece):

Workpiece status

Processing conditions

Remarks

Valve head diameter

70-----550

 

Stem diameter

φ 514

 

Length

70550

 

Material quality

21-4N+4Cr10Si2Mo

 

Hardness

30—60HRc

 

Stem run-out

 

 

Valve head surface run-out

 

 

2. Processing accuracy and cycle time:

Position

Accuracy

Test methods and tools

Run-out accuracy

Continuously process and measure 50 pieces within 0.10 mm.

Special measuring tool

Dimensional accuracy

Continuously process and measure 50 pieces within ± 0.05 mm.

Vernier calipers

Surface roughness

Continuously process and measure 50 pieces within Ra 1.6 μ m.

Roughness gauge

Cycle time

Take the processing stem diameter 6.2 as the standard - 7s/pc.