ENGI 7962 Mastercam Lab Mill 1 Starting a Mastercam file: Once the SolidWorks models is complete (all sketches are Fully Defined), start up Mastercam and select File, Open, Files of Type, SolidWorks Files, your SolidWorks drawing (License Plate 1) The part should be shown with the origin in the lower left bottom corner (hold down Alt S to shade part). Select Isometric & Fit Select Machine Type, Mill, Default
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ENGI 7962 Mastercam Lab Mill 1
Starting a Mastercam file:
� Once the SolidWorks models is complete (all sketches are Fully Defined), start up
Mastercam and select File, Open, Files of Type, SolidWorks Files, your
SolidWorks drawing (License Plate 1)
� The part should be shown with the origin in the lower left bottom corner (hold
down Alt S to shade part).
� Select Isometric & Fit
� Select Machine Type, Mill, Default
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Setting up Machine Group Properties:
� Expand Properties in the Operations Manager and set up Files, Tool Settings, &
Stock Set up
� Type in you group number ie 79621, 79622, 79623 etc (to be assigned)
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� Pick Select, Source Mill Library, to change material to Aluminum 6061
� Change the following settings then use the mouse to pick the lower left hand
corner of the stock envelop to set up the Stock Origin
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Operation 1: Facing the top of part
Tool Number: 1
Tool Type: Carbide, 2ӯ, 6 Tooth, Face Mill Save As: Your assigned Group number
� Select Isometric View
� Select C-plane
� Select the outside upper rectangular
profile of the part using Chain
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� Do not change any values yet, Select Library Tool then pick Filter
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� Select None under Tool Types to disable all tool selections then select Face Mill,
OK
� Select 2” Face Mill, OK
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� Change the Feed rate, Spindle speed and Plunge rate as shown
� Change Style to Zigzag, the Across overlap, Along overlap and check all values
are as shown
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� Activate depth cuts and check all values
� Check all values are exactly as shown
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� Coolant on
� After each operation use Verify to check the part is
being machined using the correct tool, toolpath
direction, to appropriate depth cuts, rough cuts, &
finish cuts as required.
� Select all operations, Verify
� Select the Simulate Tool, adjust for Quality & Speed
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Operation 2: Contour 2 ¾” diameter island
Tool Number: 2
Tool Type: HSS, ¾”Ø, 4 Flute, Flat End Mill
� C-plane
� Chain
� Select the lower circular profile of the
2.75Ø island
� Ensure the arrow direction is pointing in a
clockwise direction (climb milling)
� Select Reverse arrow direction if required,
OK
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� Tool, Select Library Tool, Filter, Tool Types None, End Mill Flat, OK, ¾” Flat End
Mill, OK
� Set Feeds and Speeds and Plunge rate as shown, select Rapid Retract
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� Activate Lead In/Out, set Entry Length to 25 and Arc Radius to 25 use the double
arrow to copy new values to Exit side
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� Activate Multi Passes and change the settings as shown
� Set up Linking Parameters and select Use clearance only at start & end of
operation
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� Turn on Flood coolant
� After each operation use Verify to check the part is
being machined using the correct tool, toolpath
direction, to appropriate depth cuts, rough cuts, finish
cuts as required.
� Select all operations, Verify
� Select the Simulate Tool, adjust Quality & Speed
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Operation 3: Contour “star” shape island
Tool Number: 2
Tool Type: HSS, ¾”Ø, 4 Flute Flat End Mill
� C-Plane, Chain
� Select the bottom contour of the star shape
� Chain direction in clockwise direction, OK
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� The tool selected is the ¾” end mill with speeds and feeds remaining the same as
used the previous operation, select Rapid Retract
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� Activate Lead In/Out and change the values as shown
� Disable Break Through and Multi Passes and set the following values for Linking
Parameters
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� Coolant On
� After each operation use Verify to check the part is
being machined using the correct tool, toolpath
direction, to appropriate depth cuts, rough cuts,
finish cuts as required.
� Select all operations, Verify
� Select the Simulate Tool, adjust Quality & Speed
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Operation 4: Contour 1.4ӯ
Tool Number: 2
Tool Type: HSS, ¾”Ø, 4 Flute, Flat End Mill
� C-Plane
� Chain, select 1.4” diameter lower profile
� Chain direction in Clockwise direction
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� Accept the same feeds and speeds as used in the previous operation and select
Rapid Retract
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� Disable depth cuts and for Lead In/Out change the values as shown
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� Activate Multi Passes and change the values as shown
� In Linking Parameter change the values as shown
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� Coolant On
� After each operation use Verify to check the part is
being machined using the correct tool, toolpath
direction, to appropriate depth cuts, rough cuts, finish
cuts as required.
� Select all operations, Verify
� Select the Simulate Tool, adjust Quality & Speed
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Operation 5: Pocket .28ӯ slots x 4
Tool Number: 3
Tool Type: HSS, ¼”Ø, 2 Flute, Flat End Mill
� C-plane, chain, select the bottom of all 4 pockets making sure each chain will
machine in a counter clockwise direction
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� Tool, Select library tool, Filter Tool Type- None, Flat End Mill, OK, ¼” Flat End
Mill, OK
� Change the Speeds, Feeds, Plunge, Retract as shown and select Rapid Retract
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� Cutting method Parallel Spiral and change the values as shown
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� Entry Off
� Set Finish values as shown
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� Disable Lead In/Out & Depth Cuts and set the Linking parameters as shown
� Coolant On
� Verify, Select all operations and check this operation
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Operation 6: Drill - centre drill & break sharp edges x 4