Engine Valve Bar Material Cutting 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
Material length	6 m
Stem diameter	φ 5～14㎜
Length	70～550㎜
Material quality	21-4N+4Cr10Si2Mo	Martensite and Austenite are available.
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 ± 0.20 mm.	Vernier caliper
Section	Flat section without deformation.	Visual inspection
Surface roughness	Continuously process and measure 50 pieces within Ra 2.0 μ m.	Roughness tester
Cycle time	Take the processing stem diameter 8 as the standard, 550㎜; 6s/pc.