Belt and Disc Sander

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Holzmann BT 203-914

Beltdiscsander.jpg
Synonyms: belt and disk sander;
DE: Band- und Tellerschleifer (oder Schleifteller)
Type: sander
Material: wood, metal
Used with: 914x100 mm sanding belts
200 mm sanding discs (glued; velcro upgrade planned)
Location: wood workshop
Access Requirements: Stationary Sander Introduction
Manual: in wooden box below grinder /
similar machine on manualslib
Tutors: Lukas
Sebastian
Similar (More or Less): belt sander, disc sander


This machine stands in the metal workshop (next to the bench grinders) on a wooden box containing the manual and the accessories.

It is a combined disc and belt sander with a 200 mm rough sanding disc and a 914x100 mm belt sander. Both are always simultaneously driven by the 550W motor. Belt speed is 9,5 m/s and disc speed is 2850 rpm.

This type of machine is helpful for all sanding tasks that require a fixed angle. Both sander sides have adjustable sanding tables and a slot for a miter gauge to guide your workpiece in a defined agle against the sanding disc or belt.


Features

The machine has the following features

  • pivoting aluminium table for disc and belt sander (up to 45°)
  • sanding belt unit tiltable from 0-90° horizontally and vertically
  • mitre fence for precise angle sanding
  • suction device
  • suitable for longitudinal and front edges, round and mitre sanding and plane faces

In the current version, the sanding disk is glued. After planned modification, it will be possible to install velcro-backed abrrasive discs.

Materials

As by the makers specification, the machine is permitted to process wood, and wood-like materials.

Use the disc sander for rough shaping, or to create outside curves on wood. Use the belt sander to sand your wood or other material. Should you use it to process other materials or light metals, such as Aluminium, adhere to the special precautions mentioned in the machine introduction, and make sure that the mounted sanding belt/ disk supports your material.

Proper Use

Always check the following before you start to work with the machine

  • All cables and plugs
  • Loose screws and connections. Damaged parts have to be replaced immediately, no operation of the machine in the meantime!
  • Tight fit of table and safety fence
  • The free and centered run of sanding belt and disc
  • Attention! To prevent fingers from being squeezed between the band and table, a maximum separation of 3 mm has to be maintained between the table and grinding band. Check that this is the case.

Configure the machine for your use case (table-angles etc).

  • The angle stop can be used for angles of up to 45°, to the left or right, by releasing the locking button and adjusting the angle stop to the desired angle.
  • The backing plate of the grinding belt has to be adjusted so it almost touches the grinding belt. In order to adjust it, release the two screws holding the plate in the machine rack. Tighten the screws again after you adjusted the plate.
  • To remove the plate to perform special jobs (e.g. polishing or contour-grinding), loosen the two attachment screws

To turn the machine on, press "I" (green). Turn the machine off, press "O" (red).

When working with the machine, do not apply too much pressure to the sanding abrasive.

As the machine offers no possibility to clamp your material, it is important, that complete work piece maintains a firm grip on the worktable!

Safety

Always make sure to adhere to all precautions trained during the stationary sander introduction

Maintenance

The machine does not require extensive maintenance. Service malfunctions and defects by trained persons only. Regular maintenance:

  • After each workshift: Remove chips and sanding dust from the device
  • After 10 hours of operation: Check all screw connections and tighten if necessary

Refer to the manual in order learn more about the process to change the grinding belt and the disc.

Sandpaper Cleaning

Sandpaper can be restored a few times before it is used up by briefly sanding a piece of rubber! Instead of proper cleaning sticks you can apparently get great results with the sole of an old shoe - any donors? ;-)