Magnet Holder For Welding Segment

This magnet holder is used for welding diamond core bit segment on core barrel. The brazing magnet holder is made of N35EH neodymium magnet with strong magnitism with high resistance for heat. The life is 2 times longer than ordinary magnet holder in the Chinese market.

Other Name: Cobalt Shirt Magnetic Welding Locator Diamond Water Bit Welding Holder

Features:
* High Performance
* The magnet is cobalt-coated magnet with strong magnetism and high temperature resistance.
* Customizable

Characteristic:
1. Lower the soldering threshold, everyone is an expert;
2. Accelerate drilling and welding efficiency;
3. Precise positioning, so that the head is welded on the same circle, making drilling more precise;
4. Scientific design, providing 4 different sizes of clearance (a=0.5mm, b=0.75mm, c=1mm, d=1.25mm), suitable for all diameters;
5.Brazing magnets are reusable and economical and environmentally friendly.

Four different standard side clearances to choose:
a. position side clearance: 0.50mm    b. position side clearance: 0.75mm
c. position side clearance: 1.00mm    d. position side clearance: 1.25mm
 
When retipping the segment, normally the rule is:
Inner side clearance = (Segment thickness- steel core thickness)x0.4
Outer side clearance = (Segment thickness- steel core thickness)x0.6

The tips of using the core bit segment magnet holder to retip segment on core drill bit:
- Please choose the reasonable side clearance according to thickness of diamond segment and steel core drill.
- Please make sure the magnet holder is clean without other objects.
- Please make sure the magnet holder is well fixed when welding.
- The welding temperature should be under 1000℃.
- Don’t touch the magnet holder directly by your body after welding, but use tweezers or pliers to avoid scalds.
- Before cooling by water, please cool the magnet on stone or metal surface for one minute to prolong its working life.   
 
How to maintain the core bit magnet holder after retipping:
- Dry the magnet after use, it is better dry it by air.
- Store the magnet holder in a dry ventilated place.
- Replace the magnet holder in time if it is damaged or loses magnetism significantly.   

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