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Fig. 1
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Fig. 5 Fig. 6
Fig. 3 Fig. 4
- 5-
Additional safety instructions :
This milling machine is for indoor use only. Do not
expose to rain or use in damp locations.
Use only accessories recommended for this milling ma -
chine. Follow the instructions that accompany
accessories. Use of improper accessories may cause
hazards.
Do not attempt to modify this tool or create
accessories not recommended for use with this tool.
Any such alternation or modification is misuse and
could result in hazardous condition leading to possible
serious injury.
To avoid injury from unexpected starting or electrical
shock, do not plug the power cord into a power source
receptacle during unpacking and assembly. This cord
must remain unplugged whenever you are working on
the milling machine.
If any part is missing or damaged, do not plug the
milling machine in until the missing or damaged part is
replaced, and assembly is complete. To avoid electrical
shock, use only identical replacement parts when
servicing grounded tools.
For your safety, never connect the plug to the power
source receptacle until the assembly and adjustment
steps are completed, and you have read and
understood the safety and operating instructions.
To avoid injury from accidental start, make sure the
switch is in the OFF position and the plug is not
connected to the power source receptacle before
changing any parts or tools (i. e. miller)
To avoid injury from accidental start, make sure the
switch is in the OFF position and the plug is not
connected to the power source receptacle before
making any adjustments.
For your own safety, do not plug the tool into the
power source receptacle or insert the switch key, until
the parts are correctly installed and adjustments have
been made.
For your own safety, use only millers sized and
recommen ded for this milling machine. Follow the
instructions that accompany the millers.
To avoid fire or toxic reaction, never use gasoline,
naphtha, acetone, lacquer thinner, or similar highly
volatile solvents to clean the milling machine.
Do not allow brake fluids, gasoline, or penetrating oils
to come in contact with the plastic parts. They contain
chemicals that can damage or destroy plastics.
Only qualified service technicians should do all
electrical or mechanical repairs.
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
lathe may create a hazard unless repair is done by a
qualified service technician. Repair service is available
at your PROXXON service center (You find the address
at the back of this manual)
GROUNDING INSTRUCTIONS:
In the event of a malfunction or breakdown, grounding
provides a path of least resistance for electric current
to reduce the risk of electric shock. This tool is
equipped with an electric cord having an equipment-
grounding conductor and a grounding plug. The plug
must be plugged into a matching outlet that is properly
installed and grounded in accordance with all local
codes and ordinances. Do not modify the plug
provided -- if it will not fit the outlet, have the proper
outlet installed by a qualified electrician.
Improper connection of the equipment-grounding
conductor can result in a risk of electric shock. The
conductor with insulation having an outer surface that
is green with or without yellow stripes is the
equipment- grounding conductor. If repair or
replacement of the electric cord or plug is necessary,
do not connect the equipment-grounding conductor to
a live terminal. Check with a qualified electrician or
service personnel
if the grounding instructions are not completely under -
stood, or if in doubt as to whether the tool is properly
grounded.
Use only 3-wire extension cords that have 3prong
grounding plugs and 3pole receptacles that accept the
tool's plug.
Repair or replace damaged or worn cord immediately.
This tool is intended for use on a circuit that has an
outlet that looks like the one illustrated in Sketch A in
Figure 28. The tool has a grounding plug that looks like
the plug illustrated in Sketch A in Figure 8. A temporary
adapter, which looks like the adapter illustrated in
Sketches B and C, may be used to connect this plug to
a 2-pole receptacle as shown in Sketch B if a properly
grounded outlet is not available. The temporary adapter
should be used only until a properly grounded outlet
can be installed by a qualified electrician. The green-
colored rigid ear, lug, and the like, extending from the
adapter must be connected to a permanent ground
such as a properly grounded outlet box.
Grounding methods
<B>
GROUNDING
ADAPTER
GROUNDING
GROUNDING
MEANS
METAL SCREW
COVER OF GROUNDED
OUTLET BOX
<A> <B>
<C>
<D>
PIN
PIN
Fig. 8
- 6-
Table 1
Minimum gage for cord
Effective date for Table 1 changed from November 1, 1995 to
November 11, 1996
Ampere Rating Volts Total length of cord in feet
120 V 25 ft. 50 ft. 100 ft. 150 ft.
More Not More AWG
Than Than
06 18 16 16 14
General view (Fig. 1):
1. On / Off switch
2. Speed control knob
3. Scale for Z direction (moveable)
4. Spindle cover
5. KT 70 work table (210 mm x 70 mm)
6. Support
7. Hole for securing base
8. Adjusting screws
9. Clamping set
10. Clamp screw
11. Table for spindle speeds
12. Collet chucks
13. Handwheel for X direction
14. Scale ring for X direction
15. Handwheel for Y direction
16. Scale ring for Y direction
17. Handwheel for Z direction
18. Scale ring for Z direction
19. Moving scale for X direction
20. Base plate
21. Cover
22. Spanners
Description of the machine
The PROXXON MF 70 MICRO Milling Machine is the
ideal machine for all fine and precision milling work for
metals (cast iron, steel, brass, aluminium), plastics or
wood. With the high spindle speed of 5,000 to 20,000
rpm (enabling the use of the smallest milling cutter
diameters) in conjunction with the high-precision KT 70
microcoordinate table, all pre-conditions for precise
and clean operation are fulfilled.
The basic equipment includes:
– Milling spindle with Z-pillar and stable base
– Collet chuck block with collet chucks
– (Ø 1.0; 1.5; 2.0, 2.4; 3.0 and 3.2 mm)
– KT 70 microcoordinate table, complete
– Clamping set
– Several fastening materials
(not illustrated, see exploded drawing)
– Fastening screws for KT 70 micro coordinate table
– Auxiliary tools
– Operating instructions and safety regulations
Technical data
Voltage: ~115 Volts, 60 Hz
Power rating: 0.9 A
No-load spindle speed (no) 5.000 – 20.000 rpm
Vertical adjustment travel
(z-direction) 3 10/64 (80 mm)
Lateral adjustment travel (x-direction) 5
17/64
(134 mm)
Longitudinal adjustment travel
(y-direction) 1 13/16 (64 mm)
Table size: 7 7/8 x 2 3/4 (200 x 70 mm)
Scale rings: 1 turn = 0,04” (1 mm)
1 graduation line = 2/1000(0,05 mm)
Dimensions of T-grooves: 15/32 x 15/64 x 15/64
(12 x 6 x 6 mm, MICROMOT-norm)
Spacing of T-grooves: 1” (25 mm)
Size of base: 5 7/64x 8 55/64(130 x 225 mm)
Overall height: 13 25/64(340 mm)
Weight approx. 15.5 lb (7 kg)
Noise emission: 70 dB(A)
Vibration 2.5 m/s2
Assembly of the milling machine
Warning:
To avoid injury from unexpected starting or electrical
shock, do not plug the power cord into a power source
receptacle during unpacking and assembly. This cord
must remain unplugged whenever you are working on
the milling machine.
Attach the compound-type table 1(Fig. 2) to the
base 2with the 4 x M4 Allen screws supplied.
The milling machine must now be fastened to a
stable work surface with 4screws 3.
Operation
Installation of the collet chucks
Important:
Disconnect the mains plug before changing tools.
Tightening the union nut without a suitable shank
inserted, damages the collet chuck.
1. Block the spindle with a spanner and release union
nut 1(Fig. 3).
2. Insert the required collet chuck 2using suitable
inserting tool 3.
3. Block milling spindle and re-tighten union nut.
Note:
All inserting tools must be tightened with as little
protrusion as possible. Excessively protruding shanks
vibrate and cause poor milling results.
- 7-
Setting the spindle speed
The spindle speed can be adjusted continuously by
means of the electronic control.
In general:
Large milling tool diameter = low speed
Small milling tool diameter = high speed
The correct spindle speeds are indicated on the table
on the front of the milling machine.
Milling
Warning:
Use only accessories recommended for this milling
machine. Follow the instructions that accompany
accessories. Use of improper accessories may cause
hazards.
Warning:
Do not attempt to modify this tool or create
accessories not recommended for use with this tool.
Any such alternation or modification is misuse and
could result in hazardous condition leading to possible
serious injury.
Important
Always wear protective goggles when milling. Always
observe the enclosed safety regulations.
1. Fasten the work piece with the clamps supplied or in
a vice.
2. Switch on milling machine at switch 1(Fig. 4).
3. Adjust the required milling depth using handwheel 2.
(1 turn = 1 mm feed)
4. Tighten clamp screw 3.
5. Work with a suitable feed and with a suitable milling
depth. The feed must always be against the cutting
direction of the milling tool (Fig. 5).
6. Release clamp screw 3before readjusting the
cutting depth (Fig. 4).
Note:
The MF 70 MICRO Milling Machine is designed for
precise, fine machining. Therefore, adopt suitable
milling depth and feed rate. Otherwise, poor quality
milling results are to be expected. Furthermore, thermal
damage may be caused to the electric motor due to
continuous overloading.
Adjustment of scale on compound-type table:
Warning:
Disconnect the mains plug before making any
adjustments.
The scale rings on the handwheels are moveable and
can thus be set to zero without traversing the table. In
addition to the scale rings, the KT 70 micro-compound-
type table is equipped with a moveable scale for
adjustment in the X direction 19 (Fig. 1).
Maintenance
Adjustment of guide play
Warning:
Disconnect the mains plug before making any
adjustments.
All 3 axes of the milling machine are equipped with an
adjustable dovetail guide. If, after a time, a guide is
found to have too much or too little play, the play can
be reset via the adjusting screws (Fig. 6). In order to
adjust the play in the X direction, first release the nut 1
(Fig. 6). Then set the play using the set screws 2. Lock
by re-tightening the nut 1. Adjustment of play for the
other two axes is performed analogously.
Note:
Do not over-tighten the set screws as, otherwise, the
guide may be damaged. Evenly tighten all the set
screws.
Accessories recommended for use with
this tool
Milling cutters (NO 27 116):
These double flute cutters are made from solid
tungsten and are to be used for clockwise cutting. The
fishtail profile ensures cutting to the center, allowing
boring. Usable on cast iron, hardened cast iron, steel,
cast steel, brass, aluminium, and even glass, plastics
and carbon fiber. The set includes one each of 1/32”,
5/64” and 7/64” (1.0, 2.0 and 3.0 mm) shaft diameter.
3 jaw keyless chuck (NO 28 941):
Used to quickly and easily change accessories with
shanks from 1/64” - 1/8” (0,5 - 3,2 mm)
MICROMAT steel collets (NO 28 940):
One each in size 3/64”, 2/32”, 5/64”, 3/32”, 7/64” and
1/8” (1.0, 1.5, 2.0, 2.4, 3.0 and 3.2 mm) come as a set
in a practical holder for storage along with one
clamping nut.
Precision Steel Vice PM 40 (NO 24 260):
Milled of steel. Completely angular. Jaw with
1 13/16” mm, clamping capacity 1 3/16” mm.
Total length 2 3/4”. Especially suited for filigree
and accurate working with MICRO Miller MF 70.
Sliding blocks and fixing screws included.
Comes in a wooden box.
Dividing Head for MICRO Miller MF 70 and
Compound Table KT 70 (NO 24 264)
Used to drill off-set holes and to mill off-set slots,
rectangles, hex shapes, etc. The scale on the housing
enables high accuracy divisions.
Chuck with reversible jaws. The 14/32" mm bore allows
the passage of longer work pieces when used in the
horizontal position.
Supplied in wooden box with sliding lid.
For further accessories (e. g. millers for all kinds of
applications) please see our catalogue or visit our
website www.proxxon.com.
- 8-
Spare parts list for MICRO Milling Machine MF 70, Article NO. 37110
Please order spare parts in writing from PROXXON Central Service
(Address on back of instruction manual)
Part No.: Designation Part No.: Designation
27110- 01 Work table
27110- 02 Support
27110- 03 Base plate
27110- 04 Cutting guard
27110- 05 Cutting guard base
27110- 06 Upper cover
27110- 07 Lower cover
27110- 08 Upper intermediate plate
27110- 09 Lower intermediate plate
27110- 10 X spindle
27110- 11 Y spindle
27110- 13 Handwheel
27110- 14 Handle
27110- 15 Scale ring
27110- 16 Cap
27110- 17 Upper adjusting plate
27110- 18 Lower adjusting plate
27110- 19 Scale
27110- 20 Bushing
27110- 21 Rivet
27110- 22 Spring
27110- 31 Washer
27110- 32 Pin
27110- 33 Screw
27110- 34 Short set screw
27110- 35 Long set screw
27110- 36 Nut
27110- 37 Screw
27110- 38 Screw
27110- 39 Brass bushing
27110- 40 Plastic bushing
27110- 41 Handwheel
27110- 42 Pin
27110- 43 Scale ring
27110- 44 Washer
27110- 45 Bushing
27110- 46 Cover
27110- 47 Screw
27110- 48 Stop nut
27110- 49 Z spindle
27110- 50 Z pillar
27110- 51 Upper spindle cover
27110- 52 Spindle nut
27110- 53 Lower spindle cover
27110- 54 Base
27110- 55 Screw
27110- 61 Collet chuck (accessories)
27110- 62 Collet nut
37110- 64 Speed Table
37110- 65 Switch
27110- 66 Rotary knob
27110- 67 Shaft
27110- 68 Nut
27110- 69 Set screw
27110- 70 Motor screw
27110- 71 Clamp screw
37110- 72 Power cord
27110- 75 Screw for motor plate
27110- 76 Adjusting plate
37110- 77 Board
37110- 78 Motor
27110- 80 Cover
27110- 81 Strain relief
27110- 82 Screw for strain relief
27110- 84 Scale
27110- 85 Spring
27110- 86 Spring washer
27110- 88 Spanner 13 mm (not shown)
27110- 89 Spanner 10 mm (not shown)
27110- 92 Anti-kink-grommet
27110- 95 Motor plate
27110- 96 Earth screw
37110- 97 Packaging (not shown)
37110- 99 Manual and Safety instructions (not shown)
27110- 100 Serrated washer
27110- 103 Ball bearing
27110- 105 O-ring
27110- 106 Main housing
27110- 107 Bushing
27110- 108 Shaft
27110- 109 Driver
27110- 110 Screw
27110- 111 Rubber ring
27110- 112 Driver with fan
27110- 114 Adjusting washer
27110- 12a Spindle nut
27110- 12b Spindle nut
27110- 30a Nut
27110- 30b Nut
Fig. 2 a Fastening set
Fig. 2 b Claw set
Fig. 2 c Fastening set
Prox-Tech, Inc., (“Seller”) warrants to the original purcha ser only,
that all PROXXON consumer power tools will be free from defects
in material or workmanship for a period of two years from the date
of purchase. Seller’s sole obligation and your exclusive remedy
under this limited warranty and, to the extent permitted by law, any
warranty or condition implied by law, shall be the repair or replace -
ment of parts, without charge, which are defective in material or
workmanship and which have not been misused, carelessly
handled, or misrepaired by persons other than Seller or Authorized
Service Station. In the event of a failure of a product to conform
to this written warranty, please refer to the Service and Repair
section on the back of this manual and take action accordingly.
This Limited Warranty does not apply to accessory items such as
circular saw blades, drill bits, router bits, jigsaw blades, sanding
belts, grinding wheels and other related items. Damage to the
product resulting from tampering, accident, abuse, negligence,
unauthorized repairs or alterations, unapproved attachments or
other causes unrelated to problems with material or workmanship
are not covered by this warranty.
Any implied warranties shall be limited in duration to two years
from date of purchase. Some states in the U.S. and some
Cana dian provinces do not allow limitations on how long an
implied warranty lasts, so the above limitation may not apply
to you.
In no event shall seller be liable for any incidental or conse -
quential damages (including but not limited to liability for loss of
profits) arising from the sale or use of this product. Some states
in the U.S. and some Canadian provinces do not allow the
exclusion or limitation of incidental or consequential damages;
so the above limitation or exclusion may not apply to you.
This limited warranty gives you specific legal rights, and you may
also have other rights, which vary from state to state in the U.S.,
province to province in Canada and from country to country.
This limited warranty applies only to PROXXON power tools sold
within the United States of America, Canada, the commonwealth
of Puerto Rico and Mexico. For warranty coverage within other
countries contact your local PROXXON Importer.
LIMITED WARRANTY OF PROXXON POWER TOOLS FOR HOME USE
0
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39
40
41
42
43
45
85
44
48
49
52
51
53
54
55
86
108
103
107
103
106
64
65
66
67
68
92 69 68
69
70
96
71
100
81
82
61
62
50
84
46
47
47
111
110
109
112
80
114
105
75
9576
77
72
78
- 9 -
Fig. 1
Fig. 3
Fig. 2
1
19
8
6
3715
22
14
33
13
16
7
9
5
3
5
9
7
37
32
33141322 1520411 30b
32
31
20
12b
2
18
34
36
17
36 35 12a
10
31
30a
21
31
16 6
8
We reserve the right to make further alterations for the purpose of technical progress.
SERVICE AND REPAIR
Your device does not work properly? Please read the
operating instructions again carefully. If the unit is in fact
defective, please send it to:
Prox-Tech, Inc.
Attn.: PROXXON Service Center
2555 Tate Blvd. S.E.
Hickory, NC 28601
Please make sure, that your tool is carefully packaged and
include a copy of your dated proof of purchase. You will
help us to react even quicker, if you describe the problem in
short and please don’t forget to include your name,
address and daytime telephone number. We will respond
in a prompt and reliable manner.
Spare Parts
You can also order any necessary spare parts from our
Service Center at the above address. Please check the
article-number of the tool concerned on the nameplate of the
tool and define the part needed by using the explosion
drawing in the manual that came with the tool. Every part
has a specific number (5 digit-XX). Please provide us with
this number when ordering.
For any further information call us toll free at
1-877-PROXXON
(1-877-776 9966) or visit us on the web at
www.proxxon.com/us.
Made in Luxemburg
Distributed in the U. S. by Prox-Tech, Inc.
Art.-Nr. 37110-99  PR 7067117??J
?
6

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