Rough Grinding Machines | Types of Rough Grinders

Rough grinding machine

Rough grinding machines are generally used to remove a large amount of material from the work piece.in this type of grinding the surface finish is not good rough grinding are generally used to remove the sprue from the casting product, to grind the projections, to surface the weldments and sharpening the hand tools.

Floor stand grinder

Floor Stand grinder is also known as pedestal grinder. This type of grinder has a pedestal or a stand which is fixed with the floor. The grinder has a horizontal spindle with wheels at both the ends.

01 - FLOOR STAND GRINDER - ROUGH GRINDER

Usually the driving motor is placed inside the pedestal. The motor is connected to the spindle by means of a belt. The abrasive wheels are covered by guards. A work rest table is provided for supporting the work piece during the grinding process. A shield is provided which is fitted with the guard for the protection of the eyes. This type of grinders are normally are used for rough grinding of tools and other small parts.

Bench Grinder

01 - BENCH GRINDER - TYPES OF ROUGH GRINDER

This type of grinders is generally mounted on a bench and is smaller in size. To grinding wheels are connected to both the ends of the motors. One wheel is aluminum oxide and the other wheel is silicon carbide. These wheels are covered by guards. A work rest is provided for supporting the work piece while grinding. These grinders are mainly used for grinding hand tools and small parts.

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Portable Grinder

01 - PORTABLE GRINDER - ROUGH GRINDER

A portable grinder is a small grinder which is used for grinding by hand. It can be carried from place to place. It has a small electric motor. A small grinding wheel is attached to one end of the motor. The motor is supplied with power by a long wire connected to the mains using a plug. It is used for rough grinding of large forgings and welded projections.

Abrasive belt Grinder

01 - ABRASIVE BELT GRINDER - ROUGH GRINDER

An abrasive belt grinder has an endless abrasive belt running on pulleys. The abrasive belt has very small abrasive grains pasted on one side of the belt. Generally the driving motor is connected to the bottom pulley. The work piece is positioned on the table and it is fed by means of hand against the moving abrasive belt. This grinder is also used for rough grinding of work piece. Generally, here dimensional accuracy is not important.

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Swing frame grinder

01 - SWING FRAME GRINDER - ROUGH GRINDING MACHINES

This type of grinder has a horizontal frame which is 2 to 3 meters in length. The frame is suspended in the middle. This frame is can swing about its point of suspension. One end of the frame usually carries the grinding wheel which is attached to the motor. The other end of the frame carries a dead balancing weight. A handle is provided at the wheel end.

01 - SWING FRAME GRINDER - ROUGH GRINDING MACHINE

By using this handle the operator can apply the wheel on the work piece for rough grinding. This grinder is generally used for uneven grinding of large castings and forgings. The grinder is generally suspended from a crane and the crane can be moved anywhere to the work piece.

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