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Brown & Sharpe Machining
Cam Layout - Lesson 1
with Kathi Stringer
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This is tutorial is 'still' in progress. Mainly,
it is missing all the instructions and the 'hows and whys.'
Major UNDER CONSTRUCTION (Work on this as time allows -
hang in there)
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Step 1 - Enter the
Operations |
Operation |
Rise |
Feed |
Revs |
Hunds |
Seq |
To |
Seq |
Feed Stock |
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Index |
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Center |
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Index |
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Drill |
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Form (O-lapped) |
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Rcs Cutoff (O-lapped) |
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Rcs Cutoff |
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Clear |
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The Part: Simple Bushing
Diameter: |
.750 |
Length: |
.500 |
Hole Thru: |
.312 |
Champers: |
.015 |
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Material: |
Ledloy |
SFM: |
300 |
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Step 2 - Enter Rise for Each Tool |
Operation |
Rise |
Feed |
Revs |
Hunds |
Seq |
To |
Seq |
Feed Stock |
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Index |
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Center |
.312 |
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Index |
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Drill Thru |
.665 |
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Form (O-lapped) |
.060 |
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Rcs Cutoff (O-lapped) |
.010 |
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Rcs Cuttoff |
.130 |
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Clear |
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Center Drill - .176 Rise
.312 / 2 = .156
Add approach .020 = .176 Rise
Drill Thru
.500 + .125 + .020 = .645
Form Tool
.015 + .010 = .025 (Use .060 min)
Rcs Cutoff
.500 - .300 = .200
.200 / 2 = .100 +.040 =.140
Overlapped = .010
Not Overlapped = .090 + .040 = .130 |
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Step 3 - Enter the Feed
Distance tool feeds into the work each turn of the spindle. |
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Operation |
Rise |
Feed |
Revs |
Hunds |
Seq |
To |
Seq |
Feed Stock |
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Index |
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Center |
.312 |
.005 |
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Index |
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Drill Thru |
.665 |
.006 |
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Form (O-lapped) |
.060 |
.001 |
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Rcs Cutoff (O-lapped) |
.010 |
.0015 |
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Rcs Cuttoff |
.130 |
.0015 |
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Clear |
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Totals |
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Spindle Speed
.300 / .262 / .500 = 2290
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Step 4 - Enter Revs for Each
Cutting Tool
Rise/Feed = Revs |
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Operation |
Rise |
Feed |
Revs |
Hunds |
Seq |
To |
Seq |
Feed Stock |
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Index |
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Center |
.312 |
.005 |
63 |
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Index |
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Drill Thru |
.665 |
.006 |
111 |
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Form (O-lapped) |
.060 |
.001 |
60 |
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Rcs Cutoff (O-lapped) |
.010 |
.0015 |
7 |
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Rcs Cuttoff |
.130 |
.0015 |
87 |
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Clear |
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Totals |
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321 |
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Step 4 - Enter Hunds (Hundreds)
for Non Tools |
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Operation |
Rise |
Feed |
Revs |
Hunds |
Seq |
To |
Seq |
Feed Stock |
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4 |
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Index |
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4 |
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Center |
.312 |
.005 |
63 |
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Index |
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4 |
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Drill Thru |
.665 |
.006 |
111 |
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Form (O-lapped) |
.060 |
.001 |
60 |
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Rcs Cutoff (O-lapped) |
.010 |
.0015 |
7 |
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Rcs Cuttoff |
.130 |
.0015 |
87 |
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Clear |
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2 |
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Totals |
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321 |
14 |
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Step 4 - Enter Hunds (Hundreds)
for Cutting Tools |
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Operation |
Rise |
Feed |
Revs |
Hunds |
Seq |
To |
Seq |
Feed Stock |
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4 |
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Index |
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4 |
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Center |
.312 |
.005 |
63 |
21 |
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Index |
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4 |
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Drill Thru |
.665 |
.006 |
111 |
37 |
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Form (O-lapped) |
.060 |
.001 |
60 |
19 |
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Rcs Cutoff (O-lapped) |
.010 |
.0015 |
7 |
3 |
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Rcs Cuttoff |
.130 |
.0015 |
87 |
29 |
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Clear |
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2 |
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Totals |
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261 |
101 |
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Total Revs
100 - 14 = 86
(261 / 86) * 100 = 303
Hunds Per Tool
Center: 63 / 303 = 21
Drill Thru: 111 / 303 = 37
Form: 60 / 303 = 19
Rcs Cutoff: 7 / 303 = 3
Rcs Cutoff: 87 / 303 = 29
Total Hunds = 4 + 4 + 21 +
4 + 37 + 29 + 2 = 101
Problem: 101 Must be 100
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Operation |
Rise |
Feed |
Revs |
Hunds |
Seq |
To |
Seq |
Feed Stock |
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4 |
0 |
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4 |
Index |
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4 |
4 |
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8 |
Center |
.312 |
.005 |
63 |
21 |
8 |
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29 |
Index |
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4 |
29 |
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33 |
Drill Thru |
.665 |
.006 |
111 |
36 |
33 |
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69 |
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Form (O-lapped) |
.060 |
.001 |
60 |
19 |
50 |
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69 |
Rcs Cutoff (O-lapped) |
.010 |
.0015 |
7 |
3 |
66 |
- |
69 |
Rcs Cuttoff |
.130 |
.0015 |
87 |
29 |
69 |
- |
98 |
Clear |
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2 |
98 |
- |
100 |
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Totals |
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261 |
100 |
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Operation |
Rise |
Feed |
Revs |
Hunds |
Seq |
To |
Seq |
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In Memory of my Instructor - Curt
Wynn |
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