Monday, September 25, 2023

Introduction to the Rasp

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The rasp It is an abrasion, friction and polishing tool that is used very frequently in carpentry work. It is used to shape the wood, lowering it more roughly, if compared to the file, since the latter is the one that gives the final finish to the wood. The rasp removes protruding wood from curved surfaces, giving the first shape to the workpiece as quickly as possible.

Parts of a rasp

The rasp is divided into four parts:

  • Mango
  • Spike
  • Body
  • Tip

parts of a rasp

The surface of the body has a series of triangular teeth, distributed diagonally, that cut to the left. The size, number, and distribution of these teeth determine the degree of roughness, cut, or polish of the blade. rasp.

Types of rasps

Among their manufacturers there are small differences, but in general, there are three classes of rasp:

  • thick cut
  • medium cut
  • fine cut

The rasps they can be flat or round, but the most versatile is the semi-circular or also called half-round rasp. All these models are manufactured in two hundred, two hundred and fifty and three hundred millimeters in length, with the two hundred and fifty millimeters being an excellent tool for universal use.

The goal of rasp is to carve or profile the wood in a fast and efficient way, giving the desired shape to the piece, because it can be used on the thread and/or against the thread, leaving a surface ready to start the finish, which, in this case, is carried out the limes

How to use a rasp?

To begin with, you must adopt a proper body position during the polishing process, holding the rasp by the handle and, with the other, the tip of the rasp. You will need to secure the wood with a vise or vise. Furthermore, as you may notice, the rasps they only polish on the forward run, that is, on the way out. Of course you should not use the rasps to hit, nor as a lever.

Recommendations for use of the rasp

Here are some recommendations for the proper and safe use of the rasp:

  • When in the teeth of the rasp chips are stuck, you should clean it with a special fine wire brush.
  • If the rasp It is not cleaned correctly, it can damage the wood or even get stuck in the progress of the work and in turn damage itself.
  • You will need to check if the handle is well attached to the rest of the tool. In case it is loose, or overlapped, it can cause any damage and accident.

If you want to know more about rasps and types of files, click here.



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