///Too much taper (V-shape) on the cut edge
Cut quality & parts
Too much taper (V-shape) on the cut edge
Positive taper is wider at the top; negative taper wider at the bottom.
Safety first: Switch off the pump, release all pressure (open the on/off valve or bleed-down valve) and lock out before you open any high-pressure part. Never put a hand or tool near a running jet.
1Quick questionsYour answers put the most likely cause on top.
Where is the cut wider?
2Check the causes, most likely first
0 of 3 checked
01Worn focusing tube
Most likely
A wide jet gives more taper.
How to check: Replace the tube.
| Photo | Art. no. | Description | Excl. VAT | |
|---|---|---|---|---|
| 10324 | Focusing tube 9.45 x 1.02 x 102
Focusing tubeKMT |
€ 129.00 | ||
 | 10867 | Focusing Tube 9.45 x 0.76 x 76.2, 05097944
Focusing tubeKMT |
€ 75.50 | |
| 10968 | Focusing Tube 9.45 x 1.02 x 76.2, 49835390
Focusing tubeKMT |
€ 75.50 | ||
| 10969 | Focusing Tube 9.45 x 0.91 x 76.2, 05116652
Focusing tubeKMT |
€ 77.02 | ||
| 11677 | Focusing tube 9.45 x 0.76 x 102
Focusing tubeKMT |
€ 129.00 |
02Speed too high
Possible
Positive taper often means too fast.
How to check: Lower speed or use taper compensation.
03Wrong standoff
Possible
Too high a standoff widens the top.
How to check: Set 1-3 mm.
Related problems
General advice based on manufacturer manuals and service practice. Always follow the manual of your machine. Not sure? .