Case Study

Connector Mold Machining

Connector mold machining for micro precision and high-volume electronics molding.

connector mold machiningprecision connector mold cnc

Case Overview

Core project data for this machining case.

Industry Electronics

Application Connector mold insert

Material S136 / NAK80

Machine Model HYR VMC850

Controller Fanuc / Siemens / Mitsubishi

Spindle Speed 12000 rpm

ATC Capacity 24-60 tools

Travel X/Y/Z Project based

Tolerance +/-0.003 mm

Surface Finish Ra 0.4

Cycle Time Project based

Production Volume Project based

Country Taiwan

Customer Background

Production context behind the case.

This project comes from a Electronics manufacturing requirement for Connector mold insert. The buyer needed stable machining quality, repeatable inspection results and a machine configuration suitable for real production rather than a one-time sample.

Machine Selection

Why this machine configuration was selected.

HYR-CNC selected the machine plan around part size, material, tolerance, surface finish, tool capacity and expected production volume. The recommended setup focuses on rigidity, spindle stability, fixture access, tool change efficiency and inspection control.

Problem

Machining problem to solve

Micro ribsMulti-cavity consistencySurface defects

Solution

HYR-CNC machining plan

Achieve micro insert accuracyMaintain multi-cavity consistencyImprove mold assembly

Machine Used

Recommended machine configuration

Machine: HYR VMC850

Spindle: High-speed spindle for stable finishing

ATC: Automatic tool changer for multi-process machining

Controller: Fanuc / Siemens / Mitsubishi options

Coolant: High pressure coolant and chip evacuation

Process

Timeline from raw material to inspection.

01 Steel Preparation

02 Rough Milling

03 Micro Finishing

04 Grinding Allowance Check

05 Insert Inspection

06 Assembly Calibration

Result

Before and after machining improvement.

Item	Before	After
Tolerance	+/-0.01 mm	+/-0.003 mm
Surface Finish	Ra 0.8	Ra 0.4
Assembly Rework	Frequent	Reduced

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