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Automatic Polishing Machine for the Bottom and Sides of Stainless Steel Cups (YL-QMG-0107 )

Automatic Polishing Machine for the Bottom and Sides of Stainless Steel Cups (YL-QMG-0107 )

The YL-QMG-0107 is a purpose-built automatic polishing machine for finishing round cup bottoms and sidewalls in a single continuous cycle. Designed for stainless steel, aluminum, and other metal drinkware manufacturers, it combines a 7.5 kW bottom-polishing motor and a 4 kW side-polishing motor with a 750 W mold-drive reducer to deliver consistent, high-quality finishes across full production runs.

 

  • Brand :

    YOL-POLISHING
  • Product Name :

    Automatic Polishing Machine for the Bottom and Sides of Stainless Steel Cups
  • Product Model :

    YL-QMG-0107
  • custom made :

    Machines with customizable specifications are available.
  • Product Uses :

    Polishing of the bottoms of round stainless steel cookware or cups.
 

Product Introduction

The YL-QMG-0107 is a fully automatic polishing machine purpose-built for the bottoms and sidewalls of round cups, mugs, tumblers, and similar drinkware. It performs two critical finishing operations in one machine cycle: bottom-face polishing (using the 7.5 kW motor) and sidewall / rim polishing (using the 4 kW motor), eliminating the need to move parts between stations.
 
Designed for stainless steel, aluminum, copper, and other metal drinkware, the YL-QMG-0107 is the workhorse polishing solution for high-volume cup and mug production lines.

 

Automatic Polishing Machine for Stainless Steel Cup Bottoms
  • Angle-adjustable polishers and a configurable mold adapt to a wide range of cup diameters and profiles, from small espresso cups to large travel tumblers. A pneumatic cylinder propulsion system with mold-shaft suction keeps the workpiece stable, ensuring uniform contact pressure throughout the polishing cycle. Manual fine-tuning of mold height and angle lets operators dial in the exact geometry for each cup style, eliminating the need for dedicated tooling on short-run and custom orders.
     
    Ideal for high-volume tumbler, mug, and travel cup production lines, the YL-QMG-0107 reduces manual labor, shortens cycle times, and delivers the mirror-grade surface finish that retail and hospitality buyers expect.
     
     
 Dual-Motor Polishing in One Cycle
  • 7.5 kW high-power motor for cup bottom polishing — handles aggressive cut and mirror finish in a single pass
  • 4 kW dedicated motor for sidewall and rim polishing — delivers consistent, swirl-free finish on curved surfaces
🔹 Configurable Angle-Adjustable Polishers
  • Both the bottom and side polishers can be tilted to match the exact cup profile
  • Quick-change design reduces changeover time between cup styles
  • Ideal for factories producing multiple SKUs on the same line
🔹 Pneumatic Cylinder + Mold-Shaft Suction
  • A precision pneumatic cylinder provides stable axial propulsion
  • Mold-shaft suction holds the workpiece firmly in position during the entire cycle
  • Eliminates vibration and ensures uniform contact pressure across the polishing surface
🔹 750 W Mold-Drive Reducer
  • Smooth, controllable mold rotation speed
  • Adaptable to a wide range of cup diameters and material thicknesses
  • Long service life with minimal maintenance
🔹 Manual Fine-Tuning for Material Variability
  • Operators can manually adjust mold height, polish angle, and pressure in seconds
  • Allows quick optimization for different materials (stainless, aluminum, copper) and finishes (satin, mirror, matte)
🔹 Stable, Industrial-Grade Construction
  • Heavy-duty steel frame absorbs vibration, extends motor life
  • Industrial-grade components selected for 24/7 continuous operation
  • Compact footprint fits into existing cup production lines

 

Parameter | Specification
───────────────────────────────────┼─────────────────────────────────────
Model | YL-QMG-0107
Application | Round cup bottom + sidewall polishing
Suitable Workpiece | Round cups, mugs, tumblers (Ø80–Ø200 mm, customizable)
Suitable Materials | Stainless steel, aluminum, copper, alloy
───────────────────────────────────┼─────────────────────────────────────
Bottom Polishing Motor Power | 7.5 kW
Side Polishing Motor Power | 4 kW
Mold-Drive Reducer Power | 750 W
Total Installed Power | 12.25 kW
───────────────────────────────────┼─────────────────────────────────────
Polishing Type | Bottom + sidewall (2 ops in 1 cycle)
Drive System | Pneumatic cylinder + mold-shaft suction
Mold Rotation Drive | 750 W gear reducer
───────────────────────────────────┼─────────────────────────────────────
Angle Adjustment | Manual (polisher + mold tilt)
Height Adjustment | Manual
Pressure Adjustment | Manual fine-tuning
───────────────────────────────────┼─────────────────────────────────────
Operation Mode | Automatic cycle, manual loading
Control System | PLC + HMI touch screen
───────────────────────────────────┼─────────────────────────────────────
Power Supply | 380V / 50Hz / 3-phase (220V/60Hz optional)
Compressed Air Pressure | 0.5–0.7 MPa
Air Consumption | ~150 L/min
───────────────────────────────────┼─────────────────────────────────────
Polishing Wheel Diameter | Customizable per cup size
Spindle Speed | Variable frequency (range customizable)
Cycle Time | ~8–15 seconds per cup
Production Capacity | 240–450 pcs/hour
───────────────────────────────────┼─────────────────────────────────────
Machine Dimensions (L×W×H) | Customized per order
Net Weight | ~800–1200 kg
Color | YL standard blue (customizable)
───────────────────────────────────┼─────────────────────────────────────
Noise Level | ≤ 75 dB(A)
Working Temperature | 0–40 °C
Working Humidity | ≤ 85% RH
───────────────────────────────────┼─────────────────────────────────────
Certifications | CE (optional)
Warranty | 12 months (core components)
Lead Time | 25–35 working days
Packaging | Moisture-proof film + export wooden crate
Installation | On-site engineer / video guidance
After-Sales | 12-month warranty + lifetime technical support

 

Applications
  • Stainless steel tumblers (Yeti-style, travel mugs)
  • Coffee mugs and tea cups
  • Beer mugs and steins
  • Aluminum water bottles
  • Copper Moscow mule mugs
  • Brass and alloy drinkware
  • Promotional and gift drinkware
  • Insulated vacuum flasks (outer body)
Working Principle
  1. The operator manually loads the cup onto the mold (or integrates with an auto-loader for fully automated lines)
  1. The pneumatic cylinder pushes the cup upward into contact with the bottom polishing wheel; the 7.5 kW motor spins the wheel for bottom finishing
  1. The side polishing head, driven by the 4 kW motor, simultaneously contacts the sidewall and rim
  •  

 

Specifications are typical and customizable. Contact YL Polishing with your cup dimensions and production requirements for a tailored configuration.

Applicable Products

 

  • cup polishing

     
  • cup polishing

     
  • cup polishing

     
  • cup polishing
 
 

 

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