Billet 4340 Crankshafts for BMW S14
Dimension:
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Brand: |
Newland Group |
|
Material |
Billet 4340 Steel |
|
Engine |
BMW S14 engine |
|
Stroke |
95mm/87mm/Customize |
|
Main Journal Diameter |
55mm or customize |
|
Rod Journal Diameter |
Customize |
|
Length |
**mm |
Please contact us for stroke and dimension customization and different counterweight designs.
Technical Feature:
For Billet 4340 Crankshaft:
Full CNC Machining
Multi-step heat treatment process
Different kinds of counterweights
Micro-polishing for longer bearing life
Heating treatment: HRC34-38
Peening treatment will be done after balance weight
Magnetic flaw detecting will be done according to standard JB/76729-93
Nitrogen treatment will be done after precision grind,compound layer depth is 0.008mm after polishing. Diffusion layer is over 0.3mm, hardness on surface is not less than 500HV
Production Design:
DIFFERENT COUNTERWEIGHT DESIGNS
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01
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02
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03
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04
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05
Process and Packaging:
Packing Details: Wooden case, or according to clients’needs
Lead Time: About 3 months after drawing confirmation
Port: Any port in China
Shipping Details: By Air/Sea, DHL, UPS, EMS, TNT, FedEx
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