Automatic Continuous Stone Polishing Machine FAQ | Capacity, Polishing Quality & Technical Features

When choosing an automatic continuous stone polishing machine, customers usually focus on production capacity, polishing quality, machine specifications, operating cost, and long-term reliability.

Below are the most frequently asked questions about Shuinan Machinery automatic continuous polishing machine.

1. What Are the Machine Weight, Dimensions and Required Workshop Area?

  • 16 Heads: Weight approximately 19 tons, machine size 9000 × 2150 × 2200 mm, required workshop area 81 m².
  • 20 Heads: Weight approximately 21 tons, machine size 10200 × 2150 × 2200 mm, required workshop area 85 m².
  • 24 Heads: Weight approximately 23 tons, machine size 11400 × 2150 × 2200 mm, required workshop area 88 m².

2. What Polishing Gloss Can Be Achieved?

  • Granite: ≥ 80 gloss units
  • Marble: ≥ 70 gloss units

3. What Slab Width Can Be Processed?

The machine can process slabs with a width of 850–1200 mm.（Customizable）

4. What Slab Thickness Can Be Processed?

The applicable slab thickness is 15–50 mm.

5. What Is the Motor Configuration?

  • 16 Heads: 12 × 7.5 kW motors + 4 × 9 kW polishing motors.
  • 20 Heads: 14 × 7.5 kW motors + 6 × 9 kW polishing motors.
  • 24 Heads: 18 × 7.5 kW motors + 6 × 9 kW polishing motors.

6. What Is the Conveyor Speed?

The conveyor speed is 3200–5000 mm/min and can be adjusted according to production requirements.

7. What Is the Daily Production Capacity?

Depending on slab width and feeding speed, the estimated polishing capacity per shift is about 800–1000 m².

Reference calculation formula:

(Feeding Speed ÷ (Slab Length + 300 mm Gap)) × Slab Width × Working Minutes

8. What Abrasives Are Used?

  • Resin abrasives
  • Triangle abrasives

9. What Is the Trouble-Free Working Time of the Polishing Heads?

The polishing heads are designed for a trouble-free working time of ≥1600 hours.

10. What Is the Water Consumption?

  • 16 Heads: 21 m³
  • 20 Heads: 23 m³
  • 24 Heads: 25 m³

11. What Is the Approximate Polishing Cost?

For slabs with gloss around 90, the polishing cost is approximately RMB 2.5–3 per m².

12. Are Machines for Small Slabs and Large Slabs the Same?

No. The main differences are the processing width and polishing disc size.

13. What Is the Difference Between Normal Abrasives and Bula Abrasives?

  • Normal abrasives are made of resin.
  • Bula abrasives are made of magnesite silicon carbide.

14. Which Stone Types Are Suitable for Different Abrasives?

  • Normal resin abrasives are suitable for granite.
  • Bula abrasives are suitable for marble.

15. Why Must the Air Supply Be Dry?

Dry air removes moisture and helps protect cylinders and pneumatic components from rust, reducing the risk of machine failure.

Technical Features

  • PLC terminal control with color LCD touch screen for HMI parameter setting.
  • Fault prompt during machine operation.
  • Centralized automatic lubrication system with reminder function.
  • Infinitely variable conveyor speed control.
  • Infinitely variable beam swing speed control.
  • Automatic slab shape recognition.
  • Polishing heads automatically lift according to slab shape.
  • System tracking and recording for slab grinding process.
  • Beam swing controlled by dual-brake inverter motors.
  • 16–24 polishing heads with single beam swing polishing.
  • Contact sensor contour detection technology.
  • Single-cylinder polishing head lifting for balanced movement and reduced vibration.
  • Polishing assembly controlled by mechanical travel for lifting height.
  • Environment-friendly appearance design.
  • Waterproof parts made of 304 stainless steel.
  • High-strength fiberglass protective doors for safety and appearance.

About Shuinan Machinery

Shuinan Machinery is a professional manufacturer of stone machinery with more than 20 years of industry experience.

We specialize in quarry mining machines, block cutting machines, slab cutting machines, polishing machines, and complete stone processing solutions.

Our factory covers an area of over 60,000 m² and is equipped with advanced machining centers, assembly production lines, and strict quality control systems.

Shuinan Machinery equipment has been exported to customers across Asia, the Middle East, Africa, Europe, and other global markets, helping stone producers improve efficiency and reduce operating costs.

Contact Us

Need more information or a quotation?

WhatsApp: +86 19805955837