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Mid-West Machine Products Inc.

 

Compare Man Hours
 

Mid-West

 Brand A  Brand B  Brand A
Setup press tooling
for two jobs

30 minutes per job

Total 1 hour

45 minutes per job.

Total 1.5 hours

45 minutes per job.

Total 1.5 hours

1 hour per job.

Total 2 hours

Four incomplete parts

because of errors during

automated operation 

5 minutes per part, no need to take part off gripper

Total 20 minutes

30 minutes each.

Remove part from robot. Remove unload skid, form part manually, restart. 

Total 2 hours.

30 minutes each.

Remove part from robot. Remove unload skid, form part manually, restart. 

Total 2 hours.

 30 minutes each.

Remove part from robot. Remove unload skid, form part manually, restart. 

Total 2 hours.

Loading four skids with
125 parts per skid
5 minutes  per skid

Total 20 minutes

5 seconds per part.

Total 42 minutes

5 minutes  per skid

Total 20 minutes

5 seconds per part.

Total 42 minutes

Four times the robot
picks up two parts
because they stick
together
0 minutes

Total 0 hours

 
20 minutes, remove unload skid, restart. 

Total 80 minutes.

20 minutes, remove unload skid, restart. 

Total 80 minutes.

20 minutes, remove unload skid, restart. 

Total 80 minutes. (days is tooling is damaged)

Four times the parts slide
 durring pickup
 
0 minutes

Total 0 hours

20 minutes, remove unload skid, restart. 

Total 40 minutes, 2 bad parts.

20 minutes, remove unload skid, restart. 

Total 40 minutes, 2 bad parts.

Total 4 bad parts.
Four time operator modifies
flange length
5 minutes

Total 20 minutes

5 minutes each

Total 20 minutes

5 minutes each

Total 20 minutes

15 minutes each

Total 1 hour

Four parts are bowed
0 minutes

Total 0 hours

20 minutes, remove unload skid, restart. 

Total 40 minutes, 2 bad parts. 

20 minutes, remove unload skid, restart. 

Total 40 minutes, 2 bad parts.

20 minutes, remove unload skid, restart. 

Total 40 minutes, 2 bad parts. 

Total man hours  2 hours
7 hours 12 minutes
 
4 bad parts
6 hours 50 minutes
 
4 bad parts
7 hours 42 minutes
 
4 bad parts
 
Possible tooling damange
 
       
       
 The goal of a robotic press brake is for it to run unattended and produce good parts.  Below is a simulated day, running two jobs of 250 pcs on each machine.  During the day, several situations will arise that may require human interaction. Compare the man hours required to finish the jobs.