Tool Making a Manual of Practical Instruction in the Art of Making Tools With
Tool Making a Manual of Practical Instruction in the Art of Making Tools With
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In our eReader you can find the full English version of the book. Read Tool Making a Manual of Practical Instruction in the Art of Making Tools With Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Tool Making a Manual of Practical Instruction in the Art of Making Tools With
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To quickly assess the difficulty of the text, read a short excerpt:
244 is sometimes used, but is objectionable because it may be pushed into the jig if the cutting tool is too large to pass through the hole.
To overcome this tendency they are sometimes made tapering on the outside as shown in Fig. 245, but as this is an expensive form TOOL MAKING.
151 to make, and as it is an extremely difficult operation to bore the bushing hole in the jig, this form is not generally used for per- manent bushings.
The most common form of bushing is straight with an en- larged... portion or head. When no allowance is made for grinding on the outside it is commonly made of the form shown in Fig. 246. If the shoulder under the head is square, it is likely to crack at the sharp earner, or the head may be broken off when being forced in position. In order to avoid these difficulties a fillet is left under the head as shown in Fig. 247.
When it is essential that the location of the drilled hole or portion of the piece being machined in the jig be exact as to loca- tion, the tool must fit well in the bushing ; and as the size and shape of the bushing is likely to change when hardening, it is !
What to read after Tool Making a Manual of Practical Instruction in the Art of Making Tools With?
You can find similar books in the "Read Also" column, or choose other free books by Chicago American School of Correspondence to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
244 is sometimes used, but is objectionable because it may be pushed into the jig if the cutting tool is too large to pass through the hole.
To overcome this tendency they are sometimes made tapering on the outside as shown in Fig. 245, but as this is an expensive form TOOL MAKING.
151 to make, and as it is an extremely difficult operation to bore the bushing hole in the jig, this form is not generally used for per- manent bushings.
The most common form of bushing is straight with an en- larged... portion or head. When no allowance is made for grinding on the outside it is commonly made of the form shown in Fig. 246. If the shoulder under the head is square, it is likely to crack at the sharp earner, or the head may be broken off when being forced in position. In order to avoid these difficulties a fillet is left under the head as shown in Fig. 247.
When it is essential that the location of the drilled hole or portion of the piece being machined in the jig be exact as to loca- tion, the tool must fit well in the bushing ; and as the size and shape of the bushing is likely to change when hardening, it is !
What to read after Tool Making a Manual of Practical Instruction in the Art of Making Tools With?
You can find similar books in the "Read Also" column, or choose other free books by Chicago American School of Correspondence to read onlineMoreLess
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