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Zhejiang Kingstone Robot & Technology Co., Ltd.

  • China,Wenzhou ,Zhejiang
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China Force-Controlled CNC Polishing Machine For Zinc Alloy Castings
China Force-Controlled CNC Polishing Machine For Zinc Alloy Castings

  1. China Force-Controlled CNC Polishing Machine For Zinc Alloy Castings
  2. China Force-Controlled CNC Polishing Machine For Zinc Alloy Castings
  3. China Force-Controlled CNC Polishing Machine For Zinc Alloy Castings

Force-Controlled CNC Polishing Machine For Zinc Alloy Castings

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  2. Price:
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Polishing Wheel Size 400mm-600mm
Packaging Details WOODEN CASES
Ideal For Small Parts, Electronics
Province Fujian
Payment Terms L/C,D/A,D/P,T/T
Workstations 3
Temperature -10-40℃
Efficiency 2–5 times higher than manual polishing
Supply Ability 200-300 SETS PER YEAR
Coolingsystem Water Cooling
Use For lamp cover spinning
Max Size diagonal ≤190 mm
Working Thickness 0.5~3mm
Delivery Time 90 WORKING DAYS
Type Angle Polisher
Precision ±0.01 mm
Machine Size 2150*2150*2131mm
Polishing Wheel Speed 0-3000rpm
Power Consumption 9.5 KW
Model Number KS-CNC2
Certification CE
Brand Name KINGSTONE
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Polishing Wheel Size 400mm-600mm Packaging Details WOODEN CASES
Ideal For Small Parts, Electronics Province Fujian
Payment Terms L/C,D/A,D/P,T/T Workstations 3
Temperature -10-40℃ Efficiency 2–5 times higher than manual polishing
Supply Ability 200-300 SETS PER YEAR Coolingsystem Water Cooling
Use For lamp cover spinning Max Size diagonal ≤190 mm
Working Thickness 0.5~3mm Delivery Time 90 WORKING DAYS
Type Angle Polisher Precision ±0.01 mm
Machine Size 2150*2150*2131mm Polishing Wheel Speed 0-3000rpm
Power Consumption 9.5 KW Model Number KS-CNC2
Certification CE Brand Name KINGSTONE
Place of Origin CHINA
High Light Force Controlled CNC Polishing MachineCNC Polishing Machine for Zinc AlloyZinc Alloy Castings CNC Polishing Machine
Force-Controlled CNC Polishing Machine for Zinc Alloy Castings
Plating-Ready Finish, Every Part

Built for zinc alloy (ZAMAK) die castings — the softest, most plating-sensitive cast metal in daily production. Deburr, grind and polish in one automatic cycle, with force control that never over-polishes, never burns, and delivers a surface your plating line will love.

Auto CNC Polishing Machine for zinc alloy parts
Key Features
  • Force-controlled polishing — protects soft ZAMAK from over-polish & burning
  • Plating-ready Ra 0.1 µm — consistent pre-plate surface, fewer rejects
  • 10-30 s cycle on small parts (handles, knobs, sliders, housings)
  • Auto load/unload — 1 operator runs up to 3 machines
CNC polishing machine technical diagram

The auto CNC polishing machine turns zinc alloy castings from "the hardest part of the plating prep line" into a one-pass, repeatable process.

Why Force Control Is Essential for Zinc Alloys

Real-time pressure compensation: ZAMAK castings often exhibit significant dimensional variations; force control adjusts contact pressure every millisecond, preventing over-polishing of localized excess material on the relatively soft alloy.

Controlled temperature: Spindle speed is synchronized with the feed rate, allowing frictional heat to be managed effectively—eliminating surface blackening and blistering.

Programmed consistency: Surface inconsistencies prior to plating are the primary cause of color variation; programmed polishing ensures every workpiece meets the "standard part" specification, significantly boosting the electroplating yield rate.

Automation and Flexibility

Automated loading/unloading: Small parts can be fed via vibratory bowls or feed tracks, with automatic unloading and counting; one operator can manage 2-3 machines.

Quick-change fixtures & program library: Supports mixed-line production of dozens of small zinc alloy parts, with changeover times of less than 10 minutes.

Micro-part clamping solutions: Specialized flexible fixtures are available for tiny components like zipper pulls and lock cores, ensuring no damage to the surface finish.

Application Scenarios
  • Bathroom Hardware: Faucet handles, shower handles, showerhead components
  • Lock Hardware: Lock bodies, handles, lock cylinders, strike plates
  • Zipper & Luggage Accessories: Zipper sliders, buckles, badges
  • Electronics & Telecommunications: Mobile phone holders, connector housings, decorative bezels
  • Automotive Interiors: Air vent thumbwheels, seat adjustment handles, storage compartment components
  • Lighting & Decoration: Lamp sockets, knobs, decorative rings
Frequently Asked Questions
Q: Zinc alloy is very soft — how do you avoid over-polishing?
A: Real-time force control adjusts contact pressure thousands of times per second against casting tolerance, so soft ZAMAK parts keep their edges, corners and thin walls — no over-polish, no burning.
Q: Can it polish very small parts like zipper sliders?
A: Yes. Custom soft fixtures hold micro parts without marking them, and vibratory bowl feeding keeps the cycle running automatically.
Q: Our parts go to chrome plating — will this machine improve plating quality?
A: Directly. Plating defects like color mismatch and pitting usually start at inconsistent pre-plate surfaces. Programmed polishing makes every part identical before plating, typically lifting overall plating yield by 5-10%.
Q: We make dozens of small casting models — is frequent changeover a problem?
A: No. Each model is a saved program plus a quick-change fixture; changeover is under 10 minutes, so mixed-model runs don't stop the line.
Q: Can you give a cycle time for our parts?
A: Send the part drawing and target finish — we return cycle time, fixture plan and payback within 48 hours.
Q: Do you support turnkey integration with our existing plating line?
A: Yes — we can size the machine to your plating line's throughput and coordinate the upstream/downstream buffers so polishing never becomes the bottleneck.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer

  • Year Established:

    2010

  • Total Annual:

    150000-1000000

  • Employee Number:

    80~105

  • Ecer Certification:

    Verified Supplier

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Get in touch with us

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  • Zhejiang Kingstone Robot & Technology Co., Ltd.
  • NO 275 KAIFAQU RD, ECONOMICDEVELOPMENT ZONE,RUIAN ,WENZHOU CITY,ZHEJIANG PROVINCE,CHINA
  • https://www.roboticpolishingmachine.com/

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