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Lapping Machines Process Private

2 months ago Automobiles Barddhamān   28 views

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Location: Barddhamān
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Lapping Machines are a type of precision finishing machine. Lapping is a loose abrasive machining process that differs from honing or grinding because the abrasive action comes not from a solid abrasive (like a grinding wheel) but from a slurry--abrasive particles mixed with oil or water. The slurry forms an abrasive film between the underlying lapping plate and the parts to be lapped. The part stock is gradually removed through the rolling and sliding action of the abrasive grains between the lapping wheel and the workpiece. The slurry, along with the removed stock, drains away from the table.
How does it work?

Flat Lapping Machines consist of 5 parts: the rotating table (called a lapping plate), several conditioning rings, the topweight, the slurry, and the machine itself.

The machine houses the controls, engine, coolant, filter, and other subsidiary components for proper operation of the mechanism.

The lapping plate is the only thing that is turned by the motor--the conditioning rings turn automatically as the plate itself turns. The plate is usually made of high-quality soft cast iron, though copper and other soft metals may also be used. It may be anywhere from 12 to 144 inches in diameter and feature spirals, cross-hatches, rings, or other shapes.

The Polishing Machine (also called the Buffing Machine) is used to polish soft metals including copper and brass as well as plastics such as perspex. The two ‘mops’ spin at high speed when the ‘on’ switch is pressed. If the material is carefully pressed against the mop and moved backwards and forwards it will be polished. The material must be filed to removed scratches and then wet and dry paper or emery cloth is used to further smooth the surfaces. Only then can it be polished on the buffing machine.

There are many types of involved equipment in the wire drawing machine industry, the common Wire Drawing Machine has a water tank type drawing machine, straight wiredrawing machine, the pulley type drawing machine, inverted vertical drawing machine, and so on. Drawing machine is mainly used in the processing of copper wire, stainless steel wire and other metal wire and cable materials, belonging to the important processing equipment in the cable manufacturing industry. Drawing: drawing process is Lapping is the removal of material to produce a smooth, flat, unpolished surface. Lapping processes are used to produce dimensionally accurate specimens to high tolerances (generally less than 2.5 µm uniformity). The lapping plate will rotate at a low speed (<80 rpm) and a mid-range abrasive particle (5-20µm) is typically used. Lapping Disc removes subsurface damage caused by sawing or grinding and produces the required thickness and flatness. Although the lapping process is less damaging than grinding, there are two rSponge Sands have been around for some time. We’ve all sanded with the traditional sheet of sandpaper. Sometimes, our hands get tired trying to apply the proper pressure to the paper.
This lead people to use something called a sanding block. Basically, the sanding block is used as a base, and the sandpaper is secured around the block, giving you an even pressure.

The sanding sponge is a combination between the sanding block and sandpaper. However, the two are not entirely interchangeable, as I will explain in later sections.

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