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Carbon Steel Forged Automatic Transmission Sub Shift External Shift Fork
US$1.00-3.00
50 Pieces
Sample price:US$6.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
Contact UsWarranty
Contact UsModel NO.
wfsaMaterial
Steel, CarbonCertification
ISO, AISI, DIN, CE, CE, RoHS, ISO9001:2015Automatic
Semi-AutomaticStandard
ASME, NonstandardCondition
NewProcessing Object
MetalMolding Style
ForgingApplication
Auto PartsHeat Treatment
AnnealingSurface Treatment
Sand BlastingTechnics
ForgedColor
as Per Customers' RequirementDimension
CustomizedProcess
Hot Forging, Heat Treatment, CNC MachiningSurface Finish
PolishingShipping Port
Qingdao PortPlace of Origin
Shandong, ChinaCustom Made
YesMOQ
10-1000PCSFree Sample
YesTransport Package
Plywood BoxSpecification
SGSTrademark
ShengAoOrigin
Weifang, Shangdong, ChinaHS Code
87089910Production Capacity
50000PCS/MonthKey features
Hot Die Forging Process: Superior grain structure, strength, and fatigue resistance compared to casting.
100% Quality Inspection: CMM, hardness testing, and metallographic analysis before shipment.
ISO9001:2015 Certified: Professional OEM manufacturer with rigorous quality assurance standards.
Custom Dimension Options: Dimensions are customized as per customer requirements and drawings.
Wide Material Selection: Supports Carbon Steel, Alloy Steel, Stainless Steel, Aluminum, etc.
30+ Years Experience: Technicians with over 30 years of experience in the forging industry.
Competitive Pricing: High precision and new technology at competitive prices for casting and machining.
OEM Value Added Service: Precise machining and assembling services as per drawings or requirements.
Company profile
Business Type: Manufacturer/Factory CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2010-04-06 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤2.51h CertifiedTerms of Payment: LC, T/T, D/P, etc.
AI-Powered supplier vetting
SummaryWeifang Shengao Machinery Co., Ltd. is a limited company focused on mechanical parts, hardware, metal tools, CNC machine tools, and related components. It identifies as a professional technical supplier and offers 3D software design and broad customization services, including sample-, design-, full-, minor-, and flexible customization. The supplier has written procedures and records for service assessment, corrective actions, and complaint handling. Its export sales share is stated at 71%–90%, with three years of export experience. However, the supplier has nine employees, only two years of total R&D engineer experience, no new products in the past year, no ODM, SDK, or overseas service infrastructure, and no stated customer cases. Audit information is provided for a TUV Rheinland audit with a validity period from September 4, 2025 to September 3, 2026, but the evaluation result is recorded as 0 and no certification name is specified.
Supplier typeThe supplier explicitly identifies as a professional technical supplier and a limited company. Its stated business and product scope covers mechanical parts, hardware products, metal tools, CNC machine tools, functional components, forgings, and powder metallurgy products; the audit record identifies mechanical parts as the primary product.
After-Sales capabilityThe supplier has clear written procedures and followed records for corrective and preventive actions and for handling customer complaints. This directly supports an established service-response process, although the slices do not provide service performance results or response-time data.
Production capacityThe supplier reports an annual production output range, six to ten quality-control staff, on-time delivery, random production quality inspection, and its own factory. It has nine total employees, so the available evidence supports an operating production capability, while capacity beyond the stated output range cannot be determined.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, and also welcomes OEM and ODM requests according to its company description. These repeated statements provide direct evidence of broad customization coverage, although the separate record states that ODM is not available, creating a conflict on ODM specifically.
Product Q&A
Q:What is an Auto Forging Transmission Shift Fork?
A:
It is a critical precision component within a manual or automatic gearbox. It is a yoke-shaped lever that engages/disengages gears by sliding the synchronizer sleeve or gear collar along the main or countershaft. Our shift forks are manufactured using the hot die forging process, which provides superior grain structure, strength, and fatigue resistance compared to casting or machining.
Q:What is the function of the shift fork in a transmission?
A:
The shift fork acts as the mechanical interface between the driver's action (via shift lever or actuator) and the gears. It directly pushes or pulls the synchronizer assembly to engage a specific gear for power transfer, disengage to return to neutral, and ensure precise alignment of the synchronizer teeth with the gear teeth for smooth shifting.
Q:What materials are used in your forging process?
A:
We use high-grade, forgeable alloy steels to meet stringent automotive demands: Primary Materials: Micro-alloyed steels (e.g., 38MnVS6, 30MnVS), Chromium-Molybdenum steels (e.g., 42CrMo4), or Carbon steels (e.g., C45) as per customer specifications. Material Certification: All raw materials come with full traceability and mill test certificates (EN 10204 3.1) to verify chemical composition and mechanical properties.
Q:What are the key advantages of hot die forging for shift forks?
A:
Hot die forging is the optimal process for this high-stress, safety-critical part: Superior Mechanical Properties: Forging aligns the metal grain flow to the part's contours, resulting in higher tensile strength, better impact toughness, and excellent fatigue life. Density & Integrity: Eliminates porosity and internal defects common in castings. Material Efficiency: Near-net-shape forming minimizes machining waste. Consistency: High repeatability for tight dimensional tolerances in mass producti
Q:What secondary operations do you perform?
A:
After forging, we provide complete finishing to meet OEM specifications: Trimming & Flash Removal Shot Blasting for surface cleaning and stress relief. Precision CNC Machining of critical bore, pin holes, and contact pad surfaces. Heat Treatment (Carburizing, Carbonitriding, Induction Hardening) for specific surface hardness and core toughness. Quality Inspection & Testing.
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Weifang Shengao Machinery Co., Ltd.
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