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Accessories:
WARNING!
An external speed control should never be used with this
tool.
For complete information regarding PROXXON accesso-
ries, ask for our equipment catalog at the address provided
on the last page beneath the warranty information.
These collets are supplied with the device 28500/-10:
1/32" = 0,8 to 1,0 mm;
3/32" = 2,2 to 2,4 mm;
7/64" = 2,8 to 3,0 mm
For 38515 additionally:
1/16" = 1,3 to 1,5 mm;
5/64" = 1,8 to 2,0 mm;
1/8" = 3,0 to 3,2 mm
Operating Speeds for Accessories
Your tool is equipped with an electronic feedback system
(only 50/E), that helps to keep the preselected rotating
speed virtually constant between no-load and load
conditions.
WARNING!
Always wear eye protection when operating the unit with
the brass brushes !
WARNING!
Only use accessories and spare parts recommended by
PROXXON (Observe the max. permitted rotational speed!).
The following table shows you the recommended and the
maximum speed for different accessories, supplied for your
PROXXON Micromot-device (only 38515):
Recommended: Maximum:
Brass Brushes 12.000 rpm 15.000 rpm
Grinding wheels
Aluminium oxide: 20.000 rpm 30.000 rpm
Silicon carbide 20.000 rpm 30.000 rpm
Spring steel saw blade: 15.000-18.000 rpm 20.000 rpm
Cut-off wheels: 20.000 rpm 20.000 rpm
Aluminium oxide grinding
bits: 20.000 rpm 70.000 rpm
Diamond milling bit: 18.000-20.000 rpm 300.000 rpm
Fine cutter: 20.000-25.000 rpm 100.000 rpm
Drills:
Micro-drill 1/64“ (0,5 mm)
Soft material: 5.000-8.000 rpm 10.000 rpm
Hard material: 1.500-2.000 rpm
Micro-drill 1/32“ (1,0 mm)
Soft material: 5.000-8.000 rpm 65.000 rpm
Hard material: 1.500-2.000 rpm
Care and maintenance
After use:
Warning!
When finished using the machine, unplug it and remove
any dust clinging to vent slits.
Clean the unit thoroughly, removing all grinding dust with a
brush or a soft cloth. Ensure all ventilation slots are free
from obstruction.
Warning!
Turn switch OFF and always remove plug from power
source before making any adjustments or repairs.
If any part is missing or damaged, do not plug the tool in,
until the missing or damaged part is replaced, and
assembly is complete. To avoid electrical shock, use only
identical replacement parts when servicing double
insulated tools.
All electrical or mechanical repairs should be done only by
qualified service technicians.
When servicing, use only PROXXON replacement parts.
Use of any other parts may create a hazard or cause
product damage.
Any attempt to repair or replace electrical parts on this tool
may create a hazard unless repair is done by a qualified
service technician.
Repair service is available at your PROXXON service
center
(You will find the address at address on the back of this
manual).
