KM vs. Capto tooling systems
KM vs. Capto tooling systems
(OP)
I have spoken to numerous tool salesmen about KM and Capto style tooling systems but I would like other opinions of people who have used them. Which one is most rigid?
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KM vs. Capto tooling systems
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RE: KM vs. Capto tooling systems
The results confirmed our gut feelings. The most rigid tool was the 1 ½” boring bar, its deflection was linear, for each 10 lbs of load applied the deflection measurement was the same. Our max load was equal to 200 lbs. of tool pressure in the X direction.
Each of the quick change tools had problems, the ABS 50 was the next most linear in deflection after an initial preload was applied, we saw ±.0005” movement with less than 50 lbs load applied initially.
The Capto 50 did not have any low load problems but the deflection became greater as the load increased in a non linear way.
The KM50 was the least stiff and had the greatest non linear deflection.
With that said, we use Komet ABS drills, some KM tooling and would consider Capto for some jobs. Our preference is stick tools. We do small 1-20 pc. lot CNC turning and milling. Even though quick change tooling can save some in setup time, the lack of rigidity can increase machining times, scrap, and tool wear to the point of costing more than changing stick tools.
RE: KM vs. Capto tooling systems
RE: KM vs. Capto tooling systems
Capto might be a better choice if *** the tools are available. Capto or KM will be ok if you choose a size larger than the largest boring bar you use. We should have used KM63.
What size of machine are you using?
How many tools do you have to change per part number and what type of tools are they?
What type of parts and quantity are you doing?