Bearbetningsramar

Bearbetningsramar are fixtures used in manufacturing to hold, locate, and support workpieces during machining and processing operations. They provide a stable reference and secure clamping so that operations such as milling, drilling, turning, or grinding can be performed with high repeatability and surface quality.

A bearbetningsram typically comprises a rigid frame or base, clamping devices, stops or datum locators, and mounting surfaces for tooling and accessories. Many frames are modular, allowing components to be reconfigured for different parts or processes. The design focus is on rigidity, accurate alignment, sufficient clamping range, accessible work areas for tooling, and ease of maintenance and cleaning.

Common materials for bearbetningsramar include steel and cast iron, chosen for stiffness and wear resistance. Surfaces may be precision-machined and finished to reduce wear and improve repeatability. Clamping methods vary from mechanical toggle clamps and hydraulic or pneumatic clamps to magnetic or vacuum-based solutions, depending on the workpiece and process requirements. Proper clamping and datum setting are essential to avoid workpiece distortion and to minimize tool deflection.

Bearbetningsramar can be fixed for a single part family or modular, reconfigurable, and compatible with automation systems such as robotics and CNC machines. They are a subset of workholding solutions, complemented by vises, chucks, pallets, and jigs. Selection involves considering the part geometry, production volume, required tolerances, cycle time, and integration with existing equipment.

In practice, well-designed bearbetningsramar reduce setup time, improve throughput, and enhance consistency across lots, while allowing safer and more efficient chip evacuation and inspections.