Custom Chemical Etched Metal Shims 0.02-1.5mm for Motor, Pump & Valve Assembly

Product Overview

Xinhaisen specializes in high-precision etched metal shims used for gap adjustment, leveling, alignment, and wear compensation across various industries. Our shims are manufactured using advanced photochemical etching technology, ensuring burr-free, stress-free, and highly accurate components for applications ranging from automotive assemblies to medical devices and aerospace systems.

What is Chemical Etching?

Chemical etching (also known as photochemical machining or acid etching) is a subtractive manufacturing process that uses chemical solutions to precisely remove material from a metal sheet. Key benefits include:

• No burrs or mechanical stress

• No tooling wear or setup costs

• Excellent dimensional stability

• Ideal for complex, thin, or delicate shapes

• Fast prototyping and low-cost design changes

Product Features

• Burr-Free & Stress-Free: No secondary deburring required; maintains material flatness.

• High Precision: Achieves tolerances of ±0.01mm on shim thickness and geometry.

• Ultra-Thin Capability: Process metal from 0.02mm to 1.5mm thick.

• Fine Features: Minimum aperture of 0.03mm and line width of 0.015mm.

• Material Versatility: Works with stainless steel, copper, brass, phosphor bronze, nickel, and other alloys.

• Custom Shapes: Any 2D profile – slots, holes, tabs, curves, or multi-layer designs.

Product Specifications

Applications

• Automotive: Gearbox shims, valve adjustment, differential spacers

• Aerospace: Precision alignment shims for engine mounts and fuselage

• Medical: Surgical instrument shims, implant alignment washers

• Electronics: EMI shielding gaps, battery contact spacers

• Industrial Machinery: Pump and motor alignment, bearing preload adjustment

• General Assembly: Leveling feet, slot shims, custom spacer kits

Our Advantages

• High Speed & Flexibility: From prototype to mass production – no minimum order quantity constraints.

• Exceptional Quality Control: ±0.03mm uniformity ensures consistent stacking and assembly.

• Wide Material Sourcing: Fast procurement of raw materials from premium suppliers.

• Experience: Proven track record in communications, acoustics, optics, medical, and automotive industries.

• Large-Order Capacity: Able to handle sudden, high-volume demands without compromising lead time.

Frequently Asked Questions (FAQ)

• Q1: What thicknesses can you produce?
  A: We produce metal shims from 0.02mm up to 1.5mm thick.
• Q2: Do etched shims have sharp edges or burrs?
  A: No. Chemical etching produces completely burr-free, smooth edges – ideal for precision stacking and delicate assemblies.
• Q3: Can you produce multi-layer shims?
  A: Yes. We can supply individual shims of different thicknesses, or etched laminations that can be stacked.
• Q4: What is your typical lead time for prototypes?
  A: 3–7 working days, depending on complexity and material availability.
• Q5: Do you offer custom shapes besides standard washers?
  A: Absolutely. Any 2D profile is possible – C-shims, slotted shims, stepped shims, tabbed designs, etc.
• Q6: How do I request a quote?
  A: Send your drawing (DXF, DWG, PDF, or even a sketch with dimensions) to our sales team. We’ll provide a competitive quote within 24 hours.

Welcome to contact us at any time!