easytest3

The Causes

The Results

If you have answered "YES" to one or more of the questions listed above your
machine may have "Spindle Bell Mouthing Syndrome."

Cause

for this

syndrome are:

a) Heavy cutting with extended and large tools.

b) Multiple use of

misalign

automatic tool changer.

c) Dirt and chips getting on taper

surface

A Simple Test

Here's is a quick test you can perform yourself to determine whether or not your

spindle

needs grinding:

a) Take the suspected tool and holder.

b) Wrap three short pieces of 1" masking tape evenly spaced in three places

around the large end of the tool taper ( without overlapping or creasing ) and make a

trial run

Caution:

ove the tool away in "Z" axis to avoid under cutting.

If this helps any one of the above cause

you

in need of

service

#1        Are you tired of bad accuracy because of tool run out ???
#2        Are your tools wearing out faster then they should ???
#3        Are your surface finishes rougher than they should be due to tool
         chatter ???
#4        Are you getting scrap due to tool chatter forcing the operator to use
          slower machine feeds and speeds (eating into your profits) ???