CHAPTER XXV.

=VISE WORK.=

=Definition of Vise Work= 62

=The Vise= 62

The height of vise jaws 62

The wood-worker's vise 62

The Stephens vise 62

Swivelling vises 62

The Prentiss vise 62

Leg vise with parallel motion 63

Various forms of vise clamps 64

=Hammers= 64

The effects of the speed of a hammer blow 65

Experiments by Robert Sabine on the duration of a blow 65

Machinists' hand hammers 66

Shapes of hammer eyes 66

The proper method of putting handles in 67

Paning of pening hammers 68

The plate straightener's and saw maker's hammers 69

The principles involved in straightening plates 69

The dog-head hammer 69

The effects of hammer blows upon plates 69

Saw straightening and saw hammering 70, 71

Machinist's sledge hammer 71

The file cutter's hammers 71

Riveter's hammer 71

The cooper's hammer 71

The mallet 72

Pening or paning 72

Applications of pening to straighten work or refit it 72

Riveting crank pins 73

=Chisels= 73

Forms of bar steel for chisels 73

The widths and thicknesses of the cutting ends of 74

Angles of the cutting edges of 74

Shapes of the cutting edges of 74

Chisel holders 74

Cape or cross-cut 74

Round nosed 75

The cow-mouthed 75

Curved or oil groove 76

The diamond point chisel 76

Applications of machinists' chisels 76

The carpenter's chisel 77

The angle of presentation of chisels 77

=Plane Blades= 77

The form of, necessary to produce a given shape of moulding 77

Finding the shape of knives, plane blades, or cutters necessary

to produce given shapes upon the work 78 to 83

Scale for marking out the necessary shapes of moulding knives 83

Instruments for 84

=Files= 85

Shapes of file teeth 85

The cut of files 85

Sizes and kinds of flat files 86

Groubet files 87

Rasps, the kinds and cut of 88

The names of files 88, 89

Round, half-round, and three-square files 90

Knife files, cross files, reaper files, tumbler files 91

The selection of files 91

Putting handles on files 92

Instruction on holding files 92

Slim files 92

The warping of files 93

Using bent files 93

Cross filing 93

Draw filing 94

Cleaning files 94

Filing out round corners 95

Using round files 95

Files for soft metals 95

Resharpening files 95

The Sand Blast process 96

=Red Marking= for vise work 96

=Hack Saw= 97

=Screw Drivers= and their proper shape 97

=Scrapers= for true surfaces 97

Angles for the facets of scrapers 97

Various forms of scrapers 97

=Reamers= 98

The spacing of reamer teeth 98

Odd and even numbers of reamer teeth 98

Adjustable reamers 98

Taper reamers 99

Reamers for framing 99

Half-round reamers 99

Square reamers 99

Modern Machine-Shop Practice, Volumes I and II · 第 12 / 49 章