SHL dual free belt and contact wheel grinding machine
Type DKS 250/450 ROB

The SHL DKS 250/450 ROB dual free belt and contact wheel grinding machine is equipped with two independently controlled free belt and contact wheel grinding assemblies with dual drive systems. They are engineered for deployment in robot grinding systems and their design encompasses all of the latest advances in grinding technology.

Since the functionality of the two free belt/contact wheel grinding assemblies can be controlled separately, this means the machine can work with different abrasive belt grades and/or contact wheel hardnesses. The DKS 250/450 ROB is mounted onto a fixed base. A fieldbus system is used to link it to the robot and integrate it into a functional whole. This ensures the rapid assembly and start-up of the system within an SHL robot cell. Grinding can take place both at the free belt as well as the contact wheel.

The SHL-DKS 250/450 ROB has been engineered to meet the particular demands presented by the grinding and deburring of machined workpieces and moulded parts – even where these have extremely difficult contours – and materials made from metal, non-ferrous metals, wood and plastics, with varying belt speeds.

Particular design characteristics

  • Contact wheel diameter from 250 – 450 mm
  • Fine-grained, steplessly programmable control of the contact wheel contact pressure, to compensate for workpiece tolerances
  • Contact wheel can be retracted/extended via the robot program, ensuring that a large free belt area is available with the contact wheel retracted
  • Contact wheel adjustable for initial/subsequent configuration, to match different contact wheel diameters
  • Optionally, the upper guide roller can be used as a fully-functional contact wheel unit with automated delegated contact control for smaller radiuses
  • Microprocessor controlled frequency converter for stepless control of spindle rotary speed
  • Digital display of the drive spindle rotary speed in the centre control panel, for exact setting of speed level for the corresponding work area, in relation to contact wheel diameter and the materials selected for grinding
  • Display and setting of rotary speed for belt speed via external control panel
  • Stepless, automated belt re-tensioning mechanism for constant maintenance of the belt tension set in the robot program or manually via the central control panel
  • Pneumatically activated automated belt slackening during belt changing
  • Motorised belt tracking mechanism via key on grinding machine
  • Drive spindles powered independently of one another
  • Improved flexibility and access when integrated with DPE series