I have broached keyways up to 3" long in various types of steel with no issue.
I have a two - one-time pieces that need to be broached. Customer wants 6" long pieces. He can go down to 4" if needed.
#1. ID 2.250" with 1/2" keyway OD 4" Length desired - 6"
#2. ID 3.1875" with 3/4" keyway OD 4.5" Length desired - 6"
Material: 1045 Round
Press: 20ton hydraulic press
Will there be any issues with a standard Dumont type broach at 6"? My concerns are the length of cut and pressure needed for the broach to effectively push through without excessive build up.
My thoughts are two separate bushings or one bushing with two slots milled at different depths to reduce the depth of cut. Keep the cuts minimal due to length.
I appreciate any comments or suggestions on how to go about this efficiently.
I have a two - one-time pieces that need to be broached. Customer wants 6" long pieces. He can go down to 4" if needed.
#1. ID 2.250" with 1/2" keyway OD 4" Length desired - 6"
#2. ID 3.1875" with 3/4" keyway OD 4.5" Length desired - 6"
Material: 1045 Round
Press: 20ton hydraulic press
Will there be any issues with a standard Dumont type broach at 6"? My concerns are the length of cut and pressure needed for the broach to effectively push through without excessive build up.
My thoughts are two separate bushings or one bushing with two slots milled at different depths to reduce the depth of cut. Keep the cuts minimal due to length.
I appreciate any comments or suggestions on how to go about this efficiently.