valutazioni - 3, GPA: 4.3 ( )

Produttore : Bosch File Size : 1.31 mb File Nome : 08319.pdf Lingua di insegnamento:

6 7 OPERATION Line Lockout Magnetic Holding Force The line lockout prevents the drill motor from The electromagnetic drill press attachesstarting when line power is first applied to the magnetically to any ferrous metal. It issystem or after a momentary power loss. designed for use on 1/2" or thicker ferrous stock. Holding power will decrease on thin Motor/Magnet Interlock ner stock, a backup plate must be used. The The motor/magnet interlock is a feature that magnetic base WILL NOT hold on non-magprevents power from being applied to the netic grades of stainless steel. drill motor if the magnet is not energized. The motor magnet interlock also prevents Backing Platethe magnet from being de-energized while A backing plate must be used when the the motor is running. workpiece is less than 1/2" thick because the electromagnet cannot provide sufficient Diagnostic Light holding force on thickness’ less than 1/2". Low current reduces the magnet's holding The backing plate must bring the combined power. When current is low, the detection thickness of the workpiece and backing plate light will flash and the drill motor will stop. to at least 1/2". Make sure the backing plate When the magnet light flashes, check for is larger than the magnet footprint. Clamp the following: the backing plate underneath the workpiece, • Low voltage at the plug directly below the magnet, before turning the • Loose motor connection magnet on. • Mag panel buttons are jammed or stuck The workpiece must be able to support the If the detection light continues to flash, mag stand’s weight without bending. A bent take the entire unit to an authorized service workpiece reduces the magnet’s contact center. area which can result in the magnet com ing loose. Auto Base/Chip De-Mag (Motor must be OFF) Surface Preparation The metal chips formed while drilling have a Paint, rust, scale or uneven surfaces de- tendency to retain some residual magnetism crease the holding strength of the magnet. and stick to the base once the electromagnet Chips, burrs, dirt and other foreign materials is de-energized. In order to prevent this, a on the surface of the magnetic base will also base/chip de-mag is accomplished after the decrease holding power. Use a smooth, flat motor has stopped by pushing the magnet file to keep the magnet clean and free of button. The indicator light will turn off and the nicks. Clean the surface before attaching base will automatically de-mag. the drill stand to the material. Electronic Switching Rack and Pinion The drill motor may be switched from forward These units have a 10:1 feed ratio: i.e. for ev to reverse without first having to bring the ery pound applied to the handle, you create motor to a full stop. Ideal for tapping. ten pounds on the drill point, thereby eliminating operator fatigue. Even large bits only Soft-Start require a small amount of pressure on the Soft-start is incorporated into the system to handle. Example: 20 Pounds on the handle help increase dri...

Scarica la tua

Per scaricare, digitare 2 cifre :