Model 12 Precision Open-Face Lapping Machine

Compact Design, Precision Performance, and Reliable Flatness Control

The Lapmaster Wolters Model 12 Precision Open-Face Lapping Machine is designed to deliver consistent surface quality, accurate flatness control, and dependable performance in a compact, operator-friendly design. Built with a rigid cast aluminum base, the Model 12 provides a stable platform for precision lapping operations while offering straightforward operation and reliable process control.

Equipped with three conditioning rings featuring roller yoke and bearing assemblies, the Model 12 enables effective in-process lap plate flatness control. Its abrasive feed system accommodates both water- and oil-based lapping slurries, supporting consistent abrasive delivery throughout the finishing process.

Powered by a high-torque 0.25 kW (1/3 hp) motor with a gear reducer, the Model 12 combines dependable operation with precise process control. An automatic digital cycle timer and flexible single-phase or three-phase electrical configurations make it a versatile solution for a variety of precision surface finishing applications.

Key Features & Benefits

• Rigid Cast Aluminum Construction: Durable machine base provides stability and support for consistent precision lapping performance.

• Precision Flatness Control: Three conditioning rings with roller yoke and bearing assemblies help maintain lap plate flatness during operation.

• Versatile Abrasive Compatibility: Abrasive feed system supports both water- and oil-based lapping slurries for a range of finishing applications.

• Reliable Drive System: High-torque 0.25 kW (1/3 hp) motor and gear reducer provide dependable performance for precision surface processing.

• Automatic Process Timing: Digital cycle timer provides convenient control of processing time to support consistent, repeatable results.

• Flexible Electrical Configuration: Available with various voltage configurations, supporting 50/60 Hz single-phase or three-phase power to customer specifications.

• Compact, Operator-Friendly Design: Space-efficient construction and straightforward controls support convenient daily operation.

• Customizable Performance: Optional variable-speed control, diamond slurry dispensing, and specialized tooling allow the machine to be configured for specific application requirements.

Standard Features

• Rigid cast aluminum machine base

• Open-face lapping machine design

• Three conditioning rings with roller yoke and bearing assemblies

• In-process lap plate flatness control

• Abrasive feed system compatible with water- and oil-based lapping slurries

• Automatic digital cycle timer

• High-torque 0.25 kW (1/3 hp) motor with gear reducer

• Electrical configurations for various voltages, 50/60 Hz, single-phase or three-phase operation

Technical Specifications

Specification	Details
Machine Type	Precision Open-Face Flat Lapping Machine
Base Construction	Rigid cast aluminum
Conditioning Rings	Three, with roller yoke and bearing assemblies
Flatness Control	In-process lap plate conditioning
Abrasive Compatibility	Water- and oil-based lapping slurries
Drive Motor	0.25 kW (1/3 hp)
Drive System	High-torque motor with gear reducer
Process Timer	Automatic digital cycle timer
Electrical Supply	Various voltages, 50/60 Hz
Electrical Phases	Single-phase or three-phase, per customer specification
Optional Speed Range	0–70 RPM with electronic variable-speed drive

Optional Features

• Soft-Start System: Cushions machine start-up for smoother operation.

• Electronic Variable-Speed Drive: Adjustable operating speed from 0–70 RPM for enhanced process flexibility.

• Diamond Slurry Dispensing Systems: Specialized abrasive delivery options for diamond lapping applications.

• Alternative Lapping and Polishing Plates: Various plate materials and configurations to accommodate different finishing processes.

• Non-Standard Electrical Voltages: Additional electrical configurations to meet specific installation requirements.

• Custom Machines and Tooling: Application-specific configurations and tooling solutions.

Precision, Reliability, and Versatility

The Model 12 Precision Open-Face Lapping Machine combines rigid construction, accurate flatness control, and straightforward operation in a compact design. Its reliable drive system, integrated process controls, and flexible configuration options make it well suited for precision lapping applications requiring consistent surface quality and repeatable results.

Whether used for general-purpose lapping or specialized precision finishing, the Model 12 delivers the versatility and dependable performance needed to support a wide range of surface processing requirements.