Gear Cutting Tools

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Worm thread milling cutters for module pitch b 1 20° pressure angle basic profile I to DIN 3972 with offset teeth and one tooth for checking d 2 d 1 HSS Cat.-No. Dimensions in mm 2500 straight tooth, milled, with ground lands Ident No. m d 1 b 1 d 2 1 70 8 22 1234419 1,5 1234437 2 1234455 2,5 1234473 3 80 10 1234491 3,5 1234516 3,75 12 – 4,5 13 1234543 5,5 100 15 27 – 6,5 18 – 8 22 1234605 10 125 27 32 1234623 This design can also be used as a gear milling cutter for roughing and as a rack tooth cutter. We also manufacture: worm thread milling cutters of larger dimensions with different basic profiles, also available as trapezoidal thread milling cutters with millimetre pitch. 88
Rack and worm milling cutters module pitch b 1 20° pressure angle basic profile I to DIN 3972 with one tooth for checking d 2 d 1 KHSS-E EMo5Co5 Cat.-No. Dimensions in mm 2512 staggered tooth, milled, with ground lands Ident No. m d 1 b 1 d 2 1 140 8 40 1235212 1,5 1235221 2 10 1235230 2,5 1235249 3 1235258 3,5 12 1235267 4 1235276 4,5 14 1235285 5 1235294 6 145 16 1235301 7 19 1235310 8 22 1235329 9 150 25 1235338 10 27 1235347 We also manufacture: rack milling cutters with larger dimensions, different basic profiles and with 10° inclined profile. 89
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Gear Cutting Tools • Hobbing •
Page 4 and 5:
Important information Product range
Page 6 and 7:
FETTE - a brief introduction Ecolog
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Hobs for spur gears, straight- or h
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Notes to the descriptions and size
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Solid-type hobs for spur and helica
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Solid-type hobs for spur and helica
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Hobs For economical production on m
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Multiple-gash hobs 19
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In order to achieve a high tool lif
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Gear quality The gear quality is de
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Multiple-gash hobs Recommended stru
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Carbide types and coatings The carb
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High-speed cutting (HSC) The advant
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Size table for solid carbide hobs R
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These requirements are met perfectl
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Heavy duty roughing hobs (roughing
Page 37 and 38: The rough hobbing of gears form mod
Page 39 and 40: Roughing hobs with indexable carbid
Page 41 and 42: A special position among the above
Page 43 and 44: Pitch- and tooth trace deviations a
Page 45 and 46: Skiving hobs with brazed-on carbide
Page 47 and 48: Solid-type hobs for straight spur g
Page 49 and 50: Hobs for internal gears, with strai
Page 51: Solid-type hobs for internal gears
Page 54 and 55: Hobs for compressor rotors Rotors a
Page 56 and 57: Rotor hobs, for finishing for screw
Page 59 and 60: Hobs for sprockets, timing belt pul
Page 61 and 62: Hobs for sprockets for Gall’s cha
Page 63 and 64: Hobs for sprockets with involute fl
Page 65 and 66: Hobs for timing belt pulleys with i
Page 67 and 68: Hobs for spline shafts quality grad
Page 69 and 70: Hobs for p.t.o. shafts to DIN 9611
Page 71 and 72: Hobs for spline shafts with involut
Page 73: 73
Page 76 and 77: Hobs for worm gears The specificati
Page 78 and 79: Tangential method This method is su
Page 80 and 81: Engagement area and bearing contact
Page 83 and 84: Hobs for special profiles Hobs for
Page 85: . Multi-start single-position fly-c
Page 90 and 91: Worm milling cutters for roughing f
Page 92 and 93: Rack milling cutters/worm milling c
Page 94 and 95: High-precision rack tooth gang cutt
Page 97 and 98: Gear milling cutters for spur gears
Page 99 and 100: Involute gear cutters for spur gear
Page 101 and 102: FETTE has considerable experience i
Page 103 and 104: End mill type gear cutters (finishi
Page 105 and 106: Gear roughing cutters with indexabl
Page 107: Gear finishing cutter ■ With carb
Page 110 and 111: Profile milling cutters for coarse-
Page 112 and 113: Rotor profile cutters for screw com
Page 115 and 116: Gear milling cutters for sprockets,
Page 117 and 118: Form milling cutters for timing bel
Page 119 and 120: Cat.-No. 2730 relief turned or reli
Page 121 and 122: Gear chamfering cutters for chamfer
Page 123: 123
Page 126 and 127: Comparison: module pitch - diametra
Page 128 and 129: Tolerances for multiple start hobs
Page 130 and 131: Hob inspection records The toleranc
Page 132 and 133: The effect of cutter deviations and
Page 134 and 135: Effect of the quality grades of the
Page 136 and 137: Hob clamping Keyway Hob clamping Dr
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Basic profiles for spur gears with
Page 140 and 141:
Basic hob profiles Defination of th
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Basic hob profiles to DIN 58412 Sym
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Profiles of current tooth systems a
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Sprocket tooth system for roller- a
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Spline shaft tooth system; basic cu
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"Carbide" is a generic term for pow
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The enormous increases in tool life
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Total a - Initial edge wear b - mec
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Cutting materials for hobs (See als
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A further a table of recommended va
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Number of starts of the hob With th
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Tool cutting edge length A distinct
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Tool cutting edge length (continued
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Shift distance The chip cross-secti
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Maintenance of hobs Introduction In
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Requirements placed upon the cuttin
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If the high or low points of the tw
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Hobs with a slightly concave cuttin
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Gash lead (item no. 11 DIN 3968) Th
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When regrinding, ensure that the co
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form circle diameter is less than t
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Wear phenomena on the hob The cutti
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Ziegler (2) demonstrated that the c
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The effect of the cutting condition
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the penetration line is important p
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left-hand start machines a gear wit
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Involute gear cutter with indexable
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DIN number index DIN Page 138 30, 4
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