| Q1: |
In the catalog of MCSE (Hurricane Chamfering Endmill), it is written that the minimum bore diameter is from 4mm. What does "minimum bore diameter" mean? |
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| A1: |
The minimum base hole diameter required for chamfering. |
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| Q2: |
In milling what is the normal cutting condition for Inconel machining? |
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| A2: |
Insert Grade: PR660
Chipbreaker: With Chipbreaker
Coolant: Wet Cut
Cutting Speed: V=30-50m/min
D.O.C., Feed Rate: Same conditions as
Tool Life: Much shorter than SUS machining |
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| Q3: |
What is the solution for the chip twining at threading? |
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| A3: |
TS Chipbreaker is recommended, though only TNN32 type is available.Please apply Flank Infeed method when machining.
There is a difference in TS Chipbreaker's chip control performance between when applying Radial Infeed and Flank Infeed. |
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| Q4: |
Can we use the MT/ TK breaker for plunge and turn purpose? |
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| A4: |
No, MT chipbreaker is focused on small parts machining and it scorner radius is small. Please try GMM3020-04 OR GMG3020-04. |
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| Q5: |
When the cermet insert and PR930 are in stock, is the criterion of tool choice is S45C? |
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| A5: |
When the cutting speed is between 80 and 120m/min., both cermet and PR930 are available. Cermet is recommended over 120m/nin.PR930 is recommended at under 80m/min. |
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| Q6: |
When using GB43R, sometimes chip entanglement occurs. Is there any other grooving insert with better chip control performance? |
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| A6: |
GBA43R-MY is attachable to GB43R-type toolholder.In addition, it is more effective to use KGBA-type toolholder for further chip flow improvement |
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| Q7: |
What is the difference between "No Offset Type"and "Offset Type"of KTGF for external grooving. |
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| A7: |
When operating the automatic lathe, toolholder come very close to the workpiece chuck.
In such cases, "Offset Type" toolholder sometimes interferes with the chuck due to the large gap between B and F-dimensions as shown below.
It is necessary to use "No Offset Type" in such cases. |
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| Q8: |
At internal grooving of aluminum workpiece, it is hard to increase the cutting speed due to the small cutting diameter. In such a case, KW10 is still available? |
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| A8: |
Please try PR930. When the cutting speed is low, it works more effectively to improve surface sheen because PR930 is hard to generate the built-up edge.
But if it is necessary to increase the cutting speed, KW10 is more suitable. |
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| Q9: |
Generally, external turning inserts are compatible among different manufacturers. How about grooving insert or threading insert? |
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| A9: |
Grooving insert and threading insert are mostly incompatible.
Each manufacturer produces them based on its own specifications. |
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| Q10: |
How to reduce the machining time? |
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| A10: |
Wiper edge insert (WQ Chipbreaker) is effective for reducing the machining time. |
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| Q11: |
Is Wiper edge insert (WQ Chipbreaker) effective in any machining direction and interrupted cutting? |
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| A11: |
There are effective direction and ineffective direction. When machining into the vertical direction (facing) or the parallel direction (external/internal cutting),
wiper edge insert has its effect. But it is ineffective at taper machining. Interrupted cutting is not available. |
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