KMX磨床充退磁控制器英文说明书
KMX-TYPE MAGNETIZING AND DEMAGNETIZING CONTROLLER FOR
ELECTROMAGNETIC
SUCKING DISC OF GRINDER
INSTRUCTION
XI’AN MINGSHI ELECTRO MECHANICAL DEVELOPMENT CO., LTD.
1. OVERVIEW
Magnetization and demagnetization have been bothering the surface grinder plants and users. The conventional magnetizing/demagnetizing method is through switch manual-control with transformation and rectification ,this method is not only low efficiency in operation but also the magnetizing /demagnetizing effect is not obviously. Especially for the alloy or the material which was being heat treated they have a lot of residual magnetism , which affects the machining accuracy and efficiency, limited the machining range of surface grinder, Conventional magnetizing/demagnetizing method is not unsatisfy the requirement of modern machine industry for the equipment. For resolving these problems, KMX series magnetizer/demagnetizer are be designed and produced by XI’AN MINGSHI ELECTRO MECHANICAL DEVELOPMENT CO., LTD. meticulously. It’s resolved above problem effectively. The basic functions of the products are below:
1. Using integrated circuit control, output without contact, reliability is high.
2. The magnetizing current can be adjusted continually, it means magnetic force can adapt to different electromagnetic sucking disc of grinder for machining different workpieces.
3. The demagnetizing process is automatically finished according to
the demagnetizing curve, the effect of demagnetization is best.
4 .The demagnetizing time is adjustable.
5. Against over-voltage, over-current and short-circuit etc.
6. The main controller and the electromagnetic disc can take effect interact against under current, this function can be against under magnetism, thus the safety of operator and equipments can be got.
7. Small size, installation and testing is convenient.
2. TYPE AND TECHNICAL PARAMETER
Note: 1. Product for special purpose can be supplied also.
2. Be selected products of KMX series which maximum output current must be greater than the maximum rated current of electromagnet sucking disc.
3. CONDITION FOR NORMAL USING
3.1 Ambient temperature: -10℃～+40℃
3.2 Relative humidity: ≤ 90% (20℃)
3.3 Ambience: the place for using the controllers should be away from dust related to explosion and electricity and erosive gas.
3.4 Permissible voltage range: within ±10%
3.5 Installation: vertical, with ventilation
3.6 Maximum work current is greater than 10A. It’s necessary to assembly an axial-flow fan into the magnetizer /demagnetizer in the designing of a new machine tool, the axial-flow fan can quick scatter the heat (especially in summer), prevent over-heat from damage.
3.7 Forbid the iron powder. Dust get into the apparatus, they can result in short-circuit. Especially the grinder is under a dry grinding condition.
4. INSTALLATION, ADJUSTMENT AND MAINTENANCE
4.1 Requirement to electromagnetic sucking disc
4.1.1 Electromagnetic sucking disc must be matched with the controler. The rated current of electromagnet sucking disc=110/interior resistance of electromagnet sucking disc.
4.1.2 There is no short-circuit and open-circuit in the interior of coil. 4.1.3 Insulation resistor between disc and ground (shell) must not be less than 1MΩ, measured by 500V MΩ multimeter.
Suggestion: It’s necessary to add an isolating transformer in new machine tool’s designing or old machine tool s’ renewing. Becau se the。