wishin4snow
Plastic
- Joined
- Dec 17, 2018
Hello,
I am programming our new 500mm Horizontal. I need to access the side of the part when the pallet is indexed at 90 degrees and therefore need an 8" long ER16 collet holder. I have a 2 flute 1/4" carbide drill/endmill that I am using to put a chamfer on the hole. I am getting some terrible chatter on the hole and can not seem to get rid of it.
The material is 6061 Aluminum. I drill the hole first so that the drill/endmill has less material to remove. I also tried spotting the hole first. I slowed the RPM down to 4k and up to 6k. I also tried feedrate. I can't seem to find something that works. It doesn't have any side load cause I'll I'm doing is a G81 cycle.
I see these Die/Mold shops with super long holders and great finishes. I'm amazed at what they can achieve when I'm having problems with this little issue.
I am programming our new 500mm Horizontal. I need to access the side of the part when the pallet is indexed at 90 degrees and therefore need an 8" long ER16 collet holder. I have a 2 flute 1/4" carbide drill/endmill that I am using to put a chamfer on the hole. I am getting some terrible chatter on the hole and can not seem to get rid of it.
The material is 6061 Aluminum. I drill the hole first so that the drill/endmill has less material to remove. I also tried spotting the hole first. I slowed the RPM down to 4k and up to 6k. I also tried feedrate. I can't seem to find something that works. It doesn't have any side load cause I'll I'm doing is a G81 cycle.
I see these Die/Mold shops with super long holders and great finishes. I'm amazed at what they can achieve when I'm having problems with this little issue.