Process Plan

 

Motor Mount Bracket

Material: 6061-T6 Aluminum (4 x 4 x 1/4 Angle Stock)

Tools: All tools HSS

No.

Operation

Machine

Speed

Feed

Notes

     

(rpm)

(in./rev)

 

0000

Cut stock to 4.00 in. long

Band saw

     

0010

Drill pilot holes w/ #31 drill

Mill

500

Vert. hand press

(6) places motor side

0020

Drill Æ 3/16 in. holes

Mill

500

Vert. hand press

(4) places motor side

0030

Drill Æ 1/2 in. holes

Mill

600

Vert. hand press

(2) places motor side

0040

Mill Æ 3/4 in. clearance holes

Mill

600

Vert. hand press

(2) places motor side

0050

Deburr & break sharp edges

Hand file

     

0060

Drill pilot holes w/ #31 drill

Mill

500

Vert. hand press

(2) places base side

0070

Drill Æ 5/16 in. holes

Mill

500

Vert. hand press

(2) places base side

0080

Deburr & break sharp edges

Hand file

     

Shaft

Material: 1018 CF Steel (Æ 7/8 in. Round Stock)

Tools: All tools HSS

No.

Operation

Machine

Speed

Feed

Notes

     

(rpm)

(in./rev)

 

0000

Cut stock to 5.00 in. long

Cut-off saw

     

0010

Face both ends

Lathe

700

 

Use Collet

0020

Center drill (1) end

Lathe

700

 

Use Collet

0030

Drill w/ N drill to 1 1/4 in. depth

Lathe

700

0.006

Use Collet

0040

Ream to Æ 0.313 in.

Lathe

200

0.006

Use Collet

0050

Deburr & break sharp edges

Hand file

   

Turn in lathe

0060

Polish w/ 100 to 600 sand tape

Lathe

   

3 in. length at (1) end

0070

Mill flat for set screw placement

Mill

700

~0.01

0.001-0.003 in. depth

0080

Drill pilot hole w/ #31 drill

Mill

500

Vert. hand press

 

0090

Drill Æ 0.201 in. hole w/ #7

Mill

500

Vert. hand press

 

0100

Tap 1/4-20UNC-2B

Hand tap

     

0110

Insert 1/4-20 Set Screw

Hex wrench

     

0120