Manufacturing Record

Forged Connecting Rod

A block-die-forged connecting rod with controlled internal grain flow for alternating-load service.

Engineering case

Engineering challenge, manufacturing response and verified result

Component application, material and performance requirements are translated into defined manufacturing controls and documented verification.

01Project context
Component
Forged Connecting Rod
Dimensions & Weight
Project-specific

Application

Reciprocating machinery and heavy engines

Material

Alloy structural steel

Performance & acceptance points
  • Block-die forged grain flow
  • Strength and impact toughness
02Engineering problem

Challenge

For Reciprocating machinery and heavy engines, the Forged Connecting Rod must use Alloy structural steel at project-specific dimensions and weight while meeting Block-die forged grain flow; Strength and impact toughness. The engineering challenge is coordinated control of die filling, grain-flow orientation and dimensional repeatability.

03Manufacturing response

Manufacturing Scope

01Drawing & volume review02Die and tooling design03Trial & process approval04Closed- or block-die forging05Machining & heat treatment06Batch inspection & delivery
Core Manufacturing Strategy

YL Solution

The manufacturing strategy focuses on die filling, grain-flow orientation and batch consistency. Tooling, trial approval, forming parameters, heat treatment and machining requirements are coordinated, with first-article and batch inspection governing release.

Forming capabilityDies, tooling and trial approval
Process controlDie filling, grain flow and batch repeatability
Downstream workHeat treatment, machining and surface control
Inspection controlFirst-article, batch, dimensional and property verification
04Verified delivery

Result / Verification

Delivery basis: Machined condition. Block-die forged grain flow; Strength and impact toughness are incorporated into the project inspection plan, with final inspection records and the quality dossier supporting acceptance and release.

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