TAPERED THREADS
The ELS can also turn tapered threads inside and outside. To do this, the raw material must first
be transformed into a taper using the taper function. Usually, taper threads are defined by a
cone ratio in addition to pitch and flank angle, e.g. 1:16.
For the definition of the cone ratio see the appendix.
In order for this to work exactly, the thread modes have been given a new parameter called
„cone ratio“.
In the thread modes, XP is used to enter the thread depth, ZP for the thread length. To define
the cone shape, use the parameter „Cone ratio“, which is usually also indicated for the thread.
This way it can be accepted immediately.
If the cone ratio is set to 1:0, no cone is defined, anything greater than 1:0 creates a tapered
thread!
1:0 is preset after a restart.
The cone modes also have this parameter so that for taper threads you can first turn a cone
with e.g. 1:16 and then directly afterwards the suitable thread. The parameter „cone ratio“ re
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mains the same as it was set in one of the modes. This is described in detail in the cone modes.
In the case of tapered threads, the cutting edge in Z must be zeroed exactly to the front edge of
the cone. Otherwise it is turned like a normal thread, the ELS ensures the correct infeed.
In other words, all you have to do is change the cone ratio parameter to cut a tapered thread!
More is not necessary.
See the next section for more details.
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