External and Internal Grinding Attachmen

CORMAK Fortunka Szlifierska PS125

The PS125 External and Internal Grinding Attachment is a practical accessory for a universal lathe, expanding the machine's capabilities to include precision grinding of external and internal surfaces. The attachment is mounted in place of the standard four-way tool post, allowing the lathe to perform additional finishing operations without the need for a separate grinding machine.
The PS125 attachment is designed for machining cylindrical components such as shafts, bushings, and workpieces with bores requiring precise surface finishing. It enables grinding operations aimed at improving surface quality and achieving the required dimensions of machined components.

Key Advantages of the PS125 Grinding Attachment
- Two grinding functions – enables grinding of external shaft surfaces and internal bore surfaces.
- Expanded lathe functionality – allows additional machining operations to be performed on a single machine.
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- Installation in place of the four-way tool post – the attachment replaces the lathe's standard tool holder.
- Machining of various components – suitable for grinding shafts, bushings, cylindrical surfaces, and bores.
- Equipped with two grinding wheels – the set includes one grinding wheel for external grinding and another for internal grinding.
- Versatile applications – a practical solution for machine shops, toolrooms, maintenance workshops, and single-piece production.

External and Internal Grinding on a Lathe

External grinding enables precision finishing of cylindrical surfaces of shafts and other rotating components. The minimum workpiece diameter depends on the lathe's swing over bed and ranges from 60 to 140 mm for the configurations listed in the technical specifications table.
Internal grinding allows machining of bores with a minimum diameter of 30 mm and a maximum grinding depth of 90 mm. This function is particularly useful for finishing the internal surfaces of bushings and other cylindrical components.

Applications of the PS125 Grinding Attachment

The PS125 lathe grinding attachment is ideal for applications requiring finishing operations in addition to standard turning. It can be used for reconditioning machine parts, machining mechanical components, repair work, and small-batch production.
By allowing a lathe to serve as a workstation for external and internal grinding, the PS125 attachment provides a functional addition to workshop equipment, expanding the range of available machining operations.

Standard Equipment
- PS125 External and Internal Grinding Attachment
- External grinding wheel
- Internal grinding wheel

Technical Specifications – Grinding
Lathe Swing Over Bed (mm) External Grinding – Minimum Diameter (mm) Internal Grinding – Minimum Diameter (mm) Internal Grinding – Maximum Depth (mm)
Ø280 Ø60 Ø30 90
Ø300 Ø75 Ø30 90
Ø320 Ø100 Ø30 90
Ø400 Ø140 Ø30 90