Customer Case Studies

Real machining challenges solved by KGL. Each case shows how we approach difficult materials, tight tolerances, and complex geometry.

8documented case studies
19+countries served
99.5%first-pass yield
±0.005 mmstandard tolerance, CMM verified
SUS304 thin-wall machined bracket
Semiconductor Equipment

Thin-Wall Stainless Steel Part for Semiconductor Equipment

A 150 x 45 x 6 mm SUS304 part with 0.3 mm walls, 0.1 mm micro-holes and 0.01 mm GD&T, delivered to the world's leading semiconductor lithography equipment maker.

0.3 mmthinnest wall
0.01 mmflatness, position, coaxiality
Ra 0.4 μmsurface finish
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Amber PEI aerospace wastewater housing
Aerospace / Polymer

PEI Aerospace Wastewater Treatment Part That Replaced 3D Printing

A PEI aircraft wastewater component machined to ±0.02 mm with Ra 0.8, replacing both 3D printing and injection molding for a top-tier European aerospace and defense group.

±0.02 mmdimensional accuracy, vs ±0.1 mm printed
Ra 0.8 μmsurface finish, vs Ra 3.2 printed
24 hnatural aging between roughing and finishing
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CNC robot joint component
Robotics

Precision Joint Parts for Humanoid and Collaborative Robots

Joint arms and housings for one of the world's largest collaborative robot manufacturers, machined with 0.01 mm multi-axis coaxiality, expedited sampling and 99.5% first-pass yield.

0.01 mmmulti-axis coaxiality on joint arms
99.5%first-pass yield, tracked per batch
48 hsampling lead time on new drawings
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5-axis CNC machined impeller
Turbomachinery

5-Axis CNC Machined Impellers and Bladed Rotors

Aerospace propulsion and industrial turbomachinery components machined from solid billets with airfoil profiles held to ±0.008 mm and dynamic balance to ISO G1.0.

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Aerospace turbine housing assembly
Aerospace

5-Axis CNC Machined Turbine Housing and Stator Vane Assembly

A thin-walled cylindrical housing with integrated radial ports and internal stator vanes, completed in one multi-axis setup to hold coaxiality and profile within 0.005 mm.

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Quadruped robot with machined components
Robotics

5-Axis Precision Machined Components for Robotics

Lightweight structural limbs, joint housings and gear rings for quadruped, humanoid and industrial robots, machined with 0.005 mm bore concentricity and hard-coat anodizing.

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Machined polymer water system manifold
Fluid Systems

5-Axis Machined Engineering Polymer Components for Wastewater Treatment

PEI, PSU, PPSU, PTFE, PEEK and PVDF manifolds, valve bodies and pump covers for harsh wastewater and ultrapure water systems, held to sealing faces within ±0.005 mm.

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CNC machined optical lens barrel
Optical

CNC Machined Optical Lens Barrel and Zoom Helicoil Assembly

Multi-piece nested optical housings with cam grooves, inner helicoil threads and mounting flanges, machined to coaxiality and runout within 0.002 mm.

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Reference Programs

Semiconductor lithography equipment

The world’s leading semiconductor lithography equipment maker buys thin-wall SUS304 core parts from us: 0.3 mm walls, Ra 0.4 surfaces, GD&T within 0.01 mm, verified on Hexagon and Zeiss CMMs.

Aerospace and defense

A top-tier European aerospace and defense group moved PEI wastewater parts from 3D printing and injection molding to our machining: ±0.02 mm held, Röchling PEI stock sourced direct from Germany, full FAI on request.

Collaborative robotics

One of the world’s largest collaborative robot manufacturers lists KGL as a head-tier supplier of humanoid and collaborative robot core parts, with expedited sampling and 7-day batch delivery.

Reference calls and factory visits can be arranged under NDA: kgl@kglmfc.com.

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