Double Head Quantitative Leather Grinding

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The Double Head Quantitative Leather Grinding machine is a high-efficiency surface preparation system designed for precise and repeatable leather thickness reduction and surface refinement. It is widely applied in modern leather manufacturing lines where consistent material removal is critical. As a core solution for quantitative leather grinding and thickness control equipment, it ensures uniform output quality across natural leather, synthetic leather, and composite leather materials.

One of its key innovations is the dual grinding head structure, which allows simultaneous processing of both sides or staged grinding in a single pass. This significantly improves production efficiency while maintaining strict dimensional accuracy. The system is especially suitable for industrial double head leather skiving and grinding machinery, where high throughput and stable thickness tolerance are essential for downstream applications such as footwear, bags, and upholstery production.

In terms of precision control, the equipment is equipped with advanced feeding calibration and quantitative adjustment mechanisms. Operators can set exact grinding parameters to achieve specific thickness requirements for different leather grades. This makes it highly effective for automatic quantitative leather surface grinding systems with precision thickness adjustment, ensuring that every batch meets strict technical standards without excessive material loss.

Another important advantage is its stable mechanical design and enhanced abrasive wheel configuration. The dual-head setup distributes workload evenly, reducing wear and extending tool life while maintaining consistent grinding pressure. This makes it ideal for heavy-duty double head leather finishing and polishing equipment for industrial use, particularly in factories requiring long production cycles and minimal downtime.

Overall, the Double Head Quantitative Leather Grinding machine represents a highly reliable and efficient solution for modern leather processing. Its combination of dual-head performance, quantitative accuracy, and industrial-grade durability makes it suitable for high-precision leather grinding and surface conditioning production lines. Whether used for natural leather refinement or synthetic material preparation, it delivers stable, controlled, and high-quality finishing results that meet the demands of advanced leather manufacturing industries.

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Specification

Parameter	Detail
Machine Model	MPW180 (Double Head)
Grinding Heads	Dual-Stage Quantitative Units
Thickness Accuracy	±0.01mm to ±0.02mm
Working Width	1400mm - 2200mm
Abrasive Type	Diamond Emery / Grinding Belts
Cooling System	Internal Water-Cooled Rollers
Feed Speed	5 - 20 m/min
Control System	Siemens/Delta PLC with HMI

Advantage

Dual Head Quantitative Grinding System: The double head design enables simultaneous multi-stage grinding, improving efficiency while maintaining highly consistent material removal accuracy.
Ultra-High Thickness Precision: With accuracy up to ±0.01mm–±0.02mm, the machine ensures extremely stable thickness control for premium-grade leather production requirements.
Stable Industrial Feed Control: Equipped with precise feeding system supporting 5–20 m/min adjustable speed, ensuring smooth material transport and uniform grinding results.
Advanced Diamond Emery Grinding Technology: Uses high-performance diamond emery and grinding belts for long-lasting abrasion efficiency and stable surface finishing performance.
Internal Water-Cooling Protection System: Prevents overheating during continuous operation, extending abrasive life and maintaining stable grinding accuracy under high loads.
Wide Material Compatibility: Suitable for PU, PVC, microfiber, and composite leather materials, offering strong adaptability across different industrial applications.
Intelligent PLC Control Interface: Siemens/Delta PLC system with HMI touchscreen allows easy parameter adjustment, real-time monitoring, and production data control.
High Stability for Continuous Production: Engineered for long-term industrial operation, ensuring consistent performance and minimal deviation in large-scale leather processing lines.

High Efficiency

Low Energy Consumption

Durable Components

Easy Maintenance

Application Scenario

Application Scenario	Compatible Materials	Processing Purpose
Two-Stage Thickness Calibration	PU / PVC Synthetic Leather Rolls	First head levels substrate; second creates finish
Automotive Leather Grading	PU Automotive Seat Leather	±0.01mm precision for OEM thickness standards
Microfiber Nubuck Production	High-Density Microfiber Leather	Dual-head: coarse level + fine nubuck nap
Footwear Upper Calibration	PU / Microfiber Shoe Upper Material	Uniform thickness for lasting and bonding process
Luxury Goods Pre-Finishing	High-End PU / Microfiber Rolls	Consistent material for handbag and wallet cutting

Application

Precision Synthetic Leather Thickness Calibration: The Double Head Quantitative Leather Grinding machine is widely used for precise thickness adjustment of PU and PVC synthetic leather, ensuring uniform material reduction and consistent quality across large production batches.
Automotive Interior Leather Processing: Ideal for refining leather used in car seats, dashboards, and interior panels, providing accurate thickness control to meet strict automotive manufacturing standards for durability and safety.
High-End Furniture Leather Production: Applied in sofa and chair leather processing, ensuring smooth and even grinding results that enhance both surface quality and structural consistency for premium furniture products.
Footwear Upper Material Calibration: Used in shoe upper leather production, delivering precise grinding thickness control to ensure comfort, flexibility, and uniform appearance in mass footwear manufacturing.
Handbag and Luxury Goods Leather Finishing: Suitable for high-end synthetic and genuine leather used in handbags, wallets, and luxury accessories, ensuring accurate thickness adjustment for refined product quality.
Industrial Belt and Strap Material Processing: Applied in industrial leather products such as belts and straps, ensuring stable thickness control for strength consistency and long-term durability in demanding applications.
Protective Equipment Leather Layers: Used in protective gear leather processing, ensuring precise material reduction while maintaining structural integrity for safety-critical applications.
Decorative Leather Panels Manufacturing: Ideal for architectural and interior decorative leather panels, providing uniform thickness for improved installation stability and visual consistency.

Payment and Shipping

We offer flexible and secure payment options for the Double Head Quantitative Leather Grinding machine, including T/T (Telegraphic Transfer), L/C (Letter of Credit), and D/P (Documents against Payment), supporting different international purchasing requirements. For long-term cooperation or large industrial leather processing projects, customized payment terms can also be arranged. Typically, a deposit is required to confirm production scheduling, while the remaining balance is settled after final inspection and before shipment.

Standard delivery terms for the double head quantitative leather grinding machine for precision thickness control applications include FOB Shanghai/Nantong and CIF to the customer’s designated destination port. Production lead time generally ranges from 40 to 70 working days depending on configuration, working width, and optional system upgrades. Before shipment, each machine undergoes strict precision testing and continuous grinding trials to ensure stable thickness accuracy and reliable industrial performance.

All equipment is packed using reinforced export-grade packaging systems to ensure safe transportation of the industrial double head leather grinding equipment for PU and PVC processing lines. The machine is securely fixed with heavy-duty steel frames, anti-vibration supports, moisture-proof wrapping, and multi-layer protective materials to safeguard precision components during long-distance sea freight transport. This ensures the equipment arrives at the installation site in optimal condition, ready for immediate setup.

We support multiple logistics solutions based on project urgency, including cost-effective sea freight for standard shipments and air freight for urgent delivery requirements. Our logistics team manages the entire transportation process for the high-precision double head quantitative leather grinding machine for continuous production systems, providing real-time tracking updates and coordinating with international freight forwarders to ensure safe, efficient, and timely delivery.

In addition, we provide complete customs clearance documentation support, including commercial invoices, packing lists, certificates of origin, and other export compliance documents. For large-scale leather manufacturing projects, we also offer optional on-site installation guidance, commissioning services, and operator training after delivery, ensuring the advanced double head quantitative leather grinding machine for industrial leather finishing solutions operates efficiently and reliably from the very beginning.

FAQ

Q: Why are two heads better than one for leather?
A: The first head levels the substrate while the second head creates the final surface texture, ensuring a perfect finish in one pass.

Q: What is the maximum thickness accuracy?
A: The MPW180 achieves a quantitative precision of ±0.01mm across the entire roll.

Q: Can it handle very soft microfiber?
A: Yes, the precision pressure settings are specifically designed for high-density microfiber materials.

Q: How often do the water-cooling filters need cleaning?
A: We recommend cleaning the filters weekly to ensure optimal temperature control.

Q: Does the machine come with the abrasive belts?
A: We supply a starting set of belts and offer a wide range of grits for different leather finishes.

Q: Can I achieve a "nubuck" effect on PU leather?
A: Yes, by setting the second head to a fine grit and adjusting the roller RPM via the PLC.

Q: What is the maximum processing width?
A: Standard models go up to 2200mm, suitable for most industrial leather coating lines.

Q: Is the thickness setting manual or digital?
A: It is fully digital; the operator enters the target thickness on the HMI touch screen.

Q: How is the dust extracted from the leather surface?
A: High-velocity vacuum hoods and a secondary brushing roller ensure the leather is dust-free.

Q: Is training included for thickness calibration?
A: Yes, our technicians provide complete training on how to calibrate the sensors and set grinding parameters.

About Huayi

Jiangsu Huayi Machinery Co., Ltd.

Over two decades, Huayi has grown from humble beginnings to a robust enterprise with over 50 million RMB in fixed assets. Our modern factory spans 10,000+ square meters, complemented by 1,000+ square meters of office space. Starting with a single type of sueding machine, we have upheld the spirit of innovation, continuously expanding our product offerings. Now, we have established a comprehensive portfolio of over 30 models of sueding machines, including vertical, horizontal, planetary, dry, wet, and CNC solutions, precisely catering to the needs of various fabrics such as cotton, polyester, woven, knitted, and even microfiber, offering customized sueding treatments. As China Double Head Quantitative Leather Grinding Manufacturers and Double Head Quantitative Leather Grinding Factory , through twenty years of dedicated effort, we have overcome numerous technical challenges in sueding and excelled in optimizing and upgrading our products, establishing Huayi sueding machines as a new benchmark in the industry and earning widespread recognition and praise. The fruits of wisdom and innovation drive our development, as evidenced by our accumulation of 31 invention patents and 30 utility model patents, a testament to our technical prowess. Since 2016, our company has been honored as a "National High-tech Enterprise" for consecutive years, demonstrating our outstanding achievements in technological innovation. Looking forward, Huayi will continue with even greater enthusiasm, joining hands with new finishing equipment such as Air Softening Machine, Steam Flow Washing Machine, and Continuous Tumble Dryers, to jointly create an even more brilliant future. We will continue to delve deeply into the field of finishing equipment, striving for the next twenty years with craftsmanship and determination.