Bolton Tools AT400 User manual

DIRECTORY
1. SAFETY PRECAUTIONS ...............................................................1
2. MAIN USES AND CHARACTISTICS ...............................................2
3. MAIN STRUCTUREE AND FEATURES............................................2
4. MAIN SPECIFICATIONS AND TECHNICAL DATA ............................3
5. DRIVING SYSTEM .......................................................................5
6. ELECTRIC SYSTEM ...................................................................10
7. LUBRICATION...........................................................................11
8. LIFTING AND INSTALLATION.....................................................13
9. OPERATION AND USAGE ...........................................................13
10.MAINTENANCE.........................................................................16
11. SPARE PARTS AND ACCESSORIES...............................................16
12.THE REFORMING TYPE CJ9330×900 ............................................17

1
1. Safety Precautions
●Only when the machine is fixed firmly, can you use it.
●This machine must be grounded correctly.
●Users must check and make sure that the power source is right for the
machine before operation.
●This machine isn't equipped with illuminant apparatus. Users must mount
it themselves. The mounted illuminator must not generate too strong light,
flash light or shadow.
●Do not use the machine in bad surroundings, do not put the machine at
damp or wet place or expose it to rain. The working place should be
dry.
●Non-operators should keep a safety distance from the working area.
●Operators should wear safety glasses. Glasses made of common glass have
no impact resistant strength, they are not safety glasses.
●Operators should wear work clothes and not with gloves on. Long hair
must be bound up to avoid possible dangers of being wound by the
running parts.
●Stepping-things for the operator must be able to guard against slide.
Operators should keep balance of their bodies and not incline bodies or
stretch arms too much.
●Do not process work pieces exceeding the designed range.
●Work pieces or cutting tools must be fixed firmly and correctly. Spanners
or keys must be removed from chucks or drill chucks after the fixation.
Operators should be accustomed to check and ensure that the spanners or
keys have been removed already before operation.
●When drilling or milling users should adopt suitable fixtures, and work
pieces must be fixed firmly and never be held by hands.
●While a long work piece stretches out through the back hole of spindle,
please take actions to guard against dangers coming from the vibration or
rotation of the work piece.
●Only when the machine is stopped, can you change cutting tools or
maintain it.
●Operators can never leave the running machine. Only when the machine is
stopped and chucks or drill chucks are thoroughly stopped, can they leave.

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●If any abnormal noise or any other abnormal situation appears during
operation, stop the machine immediately and repair it.
●Please guard against any other possible dangers.
●Caution: Lathe spindle is running while working table is power feeding
under milling condition.
2. Main Uses And Characteristics
This machine is a multi-purpose-combined machine, It has the functions of
turning, drilling, milling and is suitable for processing metal and other solid
material in turning, drilling and milling.
This machine is capable of cutting internal and external circular surfaces cone
plane and threads both in metric system and inch system, and be able to drill
holes, mill plane or grooves and do other machining work. It is complete in
functions, can be widely used in small scale enterprises, repairing shops,
schools, hospitals, research institutes or even at home for making educational
tools, testing instruments and artworks. It is also suitable for individual
processing industries for processing lots of parts. Users can get satisfying
products processed on this machine according to their own requirements.
3. Main Structure And Features
It mainly consists of bed, lathe head stock, change gear box, drill-mill head
stock, table, carriage, tail stock, motor, machine base, etc. It concentrates the
main functions of lathe, drilling and milling. It is beautiful in shape, compact
in structure reliable in feature, simple in operation and handy in maintenance.

3
4. Main Specifications And Technical Data
4.1 Cutting
Max. swing diameter over bed
300mm
11.81″
Max. length of work piece
915mm
36″
Max. swing diameter over tool post
140mm
5.5″
Spindle bore
38mm
1.5″
Taper of hole in spindle Morse
MT.5#
Transverse travel of tool post
160mm
6.3″
Longitudinal travel of small tool post
80mm
3.15″
Metric thread kinds on processing
12
Metric thread pitch on processing
0.5~3mm
Inch thread kinds on processing
20
Inch thread pitch on processing
11~40 1/n″
Longitudinal feed grade
2
Longitudinal feed on spindle tool post
0.12~0.24mm/r
Max. travel of tail stock sleeve
80mm
3.15″
Taper hole of tail stock sleeve Morse
MT.3#
Spindle speed grade
9
Spindle speed scope
250~1600r/min
Motor
1.1Kw ,110V, 60Hz
(or 220V, 50Hz)

4
4.2 Drilling
Max. drilling capacity
15mm
0.6″
Distance from working surface of table
to spindle nose
250~380mm
9.8~15″
Distance between spindle center and
the surface of upright column
400mm
15.75″
Spindle speed grade
9
Spindle speed scope
315~1000r/min
Vertical travel of drill-mill head stock
130mm
5.12″
Motor for drill-mill head stock
550W, 110V, 60Hz
(or 220V, 50Hz)
4.3 Milling
Width of working surface of table
200mm
7.87″
Length of working surface of table
425mm
16.73″
Width of "T" shape groove
12mm
0.47″
Travel of spindle quill
127mm
5″
Transverse travel of table
240mm
9.45″
Taper hole of drill-mill spindle Morse
MT.3#
4.4 Others
Net weight (base not involved)
400kg
Overall dimension (base not
involved ) (L×W×H)
165×70×90cm
6.5×2.75×3.5″
Net weight of machine base
100kg
Overall dimension of machine base
(L×W×H)
162×55×67cm
6.4×2.17×2.64″

5
5. Driving System
Driving system consists of main driving system (lathe spindle gearshift,
drill-mill spindle gearshift) and feed driving system (the longitudinal feed of
carriage table). (Showed in Fig.1)
Fig.1 Driving System Fig.
The driving parts in Fig.1 are showed below:
1. Motor pulley
15. Elevator nut
28. Tail stock lead screw
2. Change gears
16. Drill-mill middle pulley
29. Tails tock nut
3. Middle pulley
17. Elevator taper gear
30. Change gears
4. Change gears
18. Drill-mill input pulley
31. Gear
5. Output gear
19. Worm gear
32. Duplicate slip gear
6. 7. Driving gear
20. Clutch knob
33. Driving gear
8. Input pulley
21. Spindle reset spring
34. Manual feed driving gears
9. Driving gear
22. Gear
35. Manual feed driving gears
10. Drill-mill motor pulley
23. Worm
36. Rack
11. Back plane of drill-mill motor
24. Elevator handle
37. Manual feed driving gears
12. Ten tion gear for driving belt
25. Tool post lead screw
38. Cross lead screw
13. Elevator lead screw
26. Tool post nut
39. Cross nut
14. Elevator taper gear
27. Longitudinal lead screw
40. Longitudinal nut

6
5.1 Main Driving System
●Lathe Spindle Gearshift
The motion is driven from motor to lathe spindle through the v-belt
(o-type). If you change belt positions as per lathe spindle gearshift list, the
lathe spindle can have 9 different speeds. (List 4. for your reference)
List 1. Number Of Bearings In Fig.2
Position
№.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Bearing
№.
8108
810
8
8107
204
204
109
200710
7
D2007108
8105
2007110
8104
D2007112
8201
8201
List 2. Type Nos. Of V-belts In Fig.2
Mark
Standard
Description & Specification
Quantity
a
GB1171-74
O type v-belt 630
1
b
GB1171-74
O type v-belt 710
1
c
GB1171-74
O type v-belt 1250
1
d
GB1171-74
O type v-belt 900
1
Fig.2 Bearings And Driving
Belts Positions Fig.

7
List 3. Gear Pairs Showed In Fig.1, Worm Gear Pairs And Lead
Screw Pairs
№. In
Fig.1
Description
Module
Quantity of
Teeth
Pressure
Angle
Spiral Angle
Number
of Starts
Rotation
Direction
Thread
Pitch
5
Gear
1.5
20
20°
6
Gear
1.5
26
20°
7
Gear
1.5
39
20°
9
Gear
1.5
48
20°
12
Gear shaft
2
12
20°
14
Elevator lead
screw pair
T20*
Right
4
15
Taper gear
1.5
46
20°
0°
17
Taper gear shaft
1.5
30
20°
0°
19
Worm gear
2
21
20°
7°7′30″
Right
22
Gear shaft
2
18
20°
23
Worm
2
20°
7°7′30″
Right
26
Tool post lead
screw pair
M10*
1
Left
1.5
29
Tail stock lead
screw pair
M12*
1
Left
2
31
Gear
1.5
70
20°
32
Duplicate Z1
gear Z2
1.5
52
20°
1.5
39
20°
33
Gear
1.5
60
20°
34
Gear shaft
2
14
20°
35
Gear shaft
1.5
20
20°
37
Large gear
1.6
60
20°
39
Cross lead screw
pair
T16*
1
Right
2
40
Longitudinal lead
screw pair
T24*
1
Left
3
2
4
30
Change gears
20, 20, 22, 24, 25, 26, 27, 27, 28, 30, 34, 35, 35, 38, 40, 50
Note: In above list 3, items marked with "*" are specifications of lead
screws.

8
List 4. Lathe Spindle Gearshift List
●Drill-mill Spindle Gearshift
The motion is driven from motor to drill-mill spindle through o type v-belt.
If you change the positions of belts according to Drill-mill Spindle
Gearshift List, the drill-mill spindle can get 9 different speeds (See List5).
List 5. Drill-mill Spindle Gearshift List
5.2. Feed Driving System And Thread Cutting
As showed in Fig.1, the feed motion is driven by way of spindle, gear 13 on
spindle, gear 12,shaft Ⅱ, triplicate gear 10 (or 11) on shaft Ⅱ, shaft Ⅲand
change gears to longitudinal feed lead screw, then the carriage table can feed
longitudinally.
●When handle 4 is at Ⅰmarked by label, the duplicate slip gear on shaft
Ⅲmoves to the right, and the longitudinal power feed of the carriage
table is 0.12mm/r (dispose change gears as per List 6).
●When handle 4 is at Ⅱmarked by label, the duplicate slip gear on shaft

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Ⅲmoves to the left, and the longitudinal power feed of the carriage
table is 0.24mm/r.
●If you dispose the change gears according to List 6. 12 kinds of metric
threads and 20 kinds of inch threads can be cut.
List 6. Change Gear List
5.3 Please Refer To Fig.2, List1, List2 For All The Bearings And
Driving Belts And Their Positions On This Machine.

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6. Electric System
The motor for turning operation is 110V (alternating current) 60Hz, 1.1Kw (or
220V, 50Hz, 1.1Kw). The motor for drilling and milling operation is 110V
(alternating current), 60Hz, 0.55Kw (or 220V, 50Hz, 0.55Kw). They're both
Single-Phase motor and the speeds of them are both 1400r/min.
Fig.3 Electric System Fig.
The positive /negative revolution or stop of motor for turning operation and
motor for drilling and milling operation are controlled by combined switches
HZ10 mounted on left trestle and drill-mill head stock separately. Please refer
to Fig.3. Notice that wires used on this machine are connected orderly
according to their colours, please wire as per following rules:
1
Yellow & green wire
Earth wire
2
Blue wire
Neutral wire
3
Brown wire
Live wire
Accordingly, please connect the wires with the source plug as below:

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a. The higher terminal of the source plug (marked with "E" or " " or
coloured green or yellow & green) must be connected with yellow &
green wire.
b. The terminal marked with "N" or coloured black must be connected with
blue wire.
c. The terminal marked with "L" or coloured red must be connected with
brown wire.
A fuse with 15A and a fuse with 7A must be installed in front of the plug
sockets separately as safe guards against the short circuit of the machine.
7. Lubrication
Before and after operation, please oil the working surfaces of the machine
such as guide way, rack, lead screw, column, elevator lead screw and drill-mill
spindle quill,etc. Roller bearings should be lubricated with grease regularly
and be cleared once a year. The other parts should be oiled as per.
Fig.4 Lubrication Positions Fig.

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List 7. Lubrication Positions List
Ser. №.
Lubrication Positions
Located Parts
Lubrication
Methods
Types Of Lubrication
Oil
Lubrication
Period
1
Drive Shaft, Shaft
Sleeve
Left Trestle
Gun Oiling
Machine Oil
One Day
2
Drive Shaft, Shaft
Sleeve
Left Trestle
Gun Oiling
Machine Oil
One Day
3
Change Gears, Change
Gear Shafts
Change Gear
Box
Gun Oiling
Machine Oil
One Day
4
Gears, Bearings, Journal
Lathe Head
Stock
Splashing
Machine Oil
One Year
5
Bevel Gear
Drill-mill
Head Stock
Greasing
Grease
One Year
6
Gear, Rack
Drill-mill
Head Stock
Greasing
Grease
One Year
7
Column
Drill-mill
Head Stock
Gun Oiling
Machine Oil
One Day
8
Bearing, Sleeve, Journal
Drill-mill
Head Stock
Greasing
Grease
One Year
9
Elevator Lead Screw,
Nut
Drill-mill
Head Stock
Gun Oiling
Machine Oil
One Day
10
Spindle Quill
Drill-mill
Head Stock
Gun Oiling
Machine Oil
One Day
11
Worm Gear, Worm
Drill-mill
Head Stock
Gun Oiling
Machine Oil
One Day
12
Bearings
Drill-mill
Head Stock
Greasing
Grease
One Year
13
Dovetail Guide Way
Carriage
Gun Oiling
Machine Oil
One Day
14
Cross Lead Screw, Nut
Carriage
Gun Oiling
Machine Oil
One Day
15
Dovetail, Lead Screw,
Sleeve
Tool Post
Gun Oiling
Machine Oil
One Day
16
Bearing, Sleeve, Journal
Lead Screw
Seat
Gun Oiling
Machine Oil
One Day
17
Dovetail Guide Way
Carriage
Gun Oiling
Machine Oil
One Day
18
Dovetail Guide Way
Carriage
Gun Oiling
Machine Oil
One Day
19
Gears
Apron
Splashing
Machine Oil
Regularly
20
Longitudinal Lead
Screw, Split Nut
Bed
Gun Oiling
Machine Oil
One Day
21
Dovetail Guide Way
Bed
Gun Oiling
Machine Oil
One Day
22
Tail Stock Sleeve
Tail Stock
Gun Oiling
Machine Oil
One Day
23
Bearing Sleeve, Journal
Bed
Gun Oiling
Machine Oil
One Day
24
Bearing Sleeve, Journal
Tail Stock
Gun Oiling
Machine Oil
One Day
Note: Positions of oil cups are showed in Fig.4

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8. Lifting And Installation
Machine base, a separate part for this machine, can be provided according to
customers, requirements. There’s space for rope under the two sides of
machine body so you can lift this machine with a rope. If a forklift is available,
it can also be used to lift the machine. After the machine is in place, you
should make it level it and then fix it with bolts (See Fig.5).
Fig.5 Machine Lifting Fig.
9. Operation And Usage
When packing this machine, carriage table, drill-mill head stock and drill-mill
spindles are set firmly. Before operation, users should loosen all the locking
handles mentioned above except the one for locking drill-mill head stock,
users should also clear the antiseptic coat of the machine exposed working
surface with non-corrosive kerosene, then dry it with cotton yarn, finally oil
the machine as per lubrication requirements.

14
The descriptions and uses of the parts marked with nos. in Fig.6 are as
following:
Fig.6 Operating Parts Fig.
1. Electric switch button, to control the forward/reverse revolution or stop of spindles;
2. Handle, to control shifting yoke to change the position of slip gear so that the feed
can be changed;
3. The cover of change gear box;
4. Knob, to lock or open the cover of change gear box;
5. Handle, to lock or loosen drill-mill head stock;
6. Gear shaft, matched with elevator handle to tension the driving belt suitably.
7. Handle, to lock or loosen motor back plane;
8. Pulley shell upper cover;
9. Handle, same as Handle 5;
10. Cap nut, to fix the pulley shell;
11. Taper gear shaft, matched with elevator handle to make drill-mill head stock move
vertically;
12. Cap nut, same as Cap nut 10;
13. Button, to control positive /negative revolution or stop of drill-mill spindle;
14. Handle, to feed drill-mill spindle;
15. Cone knob, to make change between the micro-feed and rapid manual feed of
drill-mill spindle;
16. Knob, to micro-feed drill-mill spindle;
17. Handle, to lock drill-mill spindle quill;
18. Hand wheel, to feed carriage longitudinally by hand;
19. Handle, to lock or loosen the tool post;
20. Hand wheel, to feed table transversely by hand;
21. Handle, to lock or loosen the carriage;

15
22. Handle, to control the split nut to be connected or disconnected;
23. Handle, to feed the tool post;
24. Handle, to lock the tail stock;
25. Handle, to lock tail stock sleeve;
26. Handle wheel, to move the tail stock;
●Open the change gear box cover, set the driving belts on pulleys as per
spindle speed label and dispose the change gears as per change gear label,
then close and lock the cover. If you change belt positions according to
List 1, lathe spindle may have 9 different speeds.
●Loosen cap nut 10, 12, open the pulley shell upper cover 8. If you change
belt positions according to drill-mill spindle gearshift list (List 2), the
drill-mill spindle can get 9 different speeds. After setting the belt, cover
the box and then tighten the cap nuts.
●Pull handle 22 to the position "ON", the split nut is connected. And if you
dispose the change gears as per change gear list (List 6), the machine can
cut threads both in metric and inch system and power feed longitudinally.
When handle 2 is at "I", 8 kinds of metric threads or 10 kinds of inch
threads can be cut. When handle 2 is at "Ⅱ", 6 kinds of metric threads (2
among which is the same as at "I") and 10 kinds of inch threads can be
cut.
●Pull handle 22 to the position "OFF", the split nut is disconnected and the
carriage is separated from lead screw. And the carriage can be manually
fed by hand wheel 18, which is on the apron. Rotate the hand wheel
clockwise, the carriage goes behind. Rotate the hand wheel anti-clockwise,
the carriage goes ahead, And the carriage can be locked or fixed at some
position of the bed by handle 21.
●Handle 23 is to move tool post. While the handle rotates anti-clockwise,
the small carriage with tool post on goes ahead, otherwise, the small
carriage goes behind. Matched with locking screws, the small carriage can
be locked by inside hexagon spanner. Handle 19 is used to fix tool post,
when it is loosened to the left, the square tool post can rotate, when it is
tightened to the right, the tool post is fixed.
●Hand wheel 20 is used to feed the table transversely. When the hand wheel
rotates clockwise, the table goes ahead, otherwise the table goes behind.
One side of the table is also matched with locking screw, so that the table
can be locked by inside hexagon spanner.
●Handle 24 is to lock tail stock and fix it on the bed. Handle 25 is to lock
tail stock sleeve, and it must be loosened before using handle 26. Rotate
hand wheel 26 clockwise, tail stock sleeve moves ahead, otherwise it
moves behind.

16
●Handle 5, Handle 9 are both for locking drill-mill head-stock. When they
are loosened, the drill-mill head stock can rotate 360°around the column,
or the drill-mill head stock can move vertically by using elevator handle
(accessory) to rotate the gear shaft 11.
When the drill-mill spindle is working, the handles must be locked tightly.
●Handle 17 is used to lock drill-mill spindle quill. When handle 17 is
loosened and handle 15 is pushed in, you can do drilling work by
operating handle 14. When milling, handle 17 must be locked and the
drawing bar must be set to draw the taper shank, which is mounted in the
spindle. Knob 16 is a micro-feed control knob, which is used to control
the milling depth. Cone knob 15 must be pulled out before the micro
control, but when the milling depth has been controlled, it must be pushed
in to mill.
●Two electric switches, one for turning operation and the other for
drilling-milling operation, can not be operated simultaneously. Only one
of which can be started for working. Otherwise dangers may occur.
10. Maintenance
●The machining range must not exceed the designed range mentioned
above.
●Check frequently to make sure that the v-belt is tensioned for normal drive.
If it is loose, please adjust the positions of motor pulley and middle pulley
to tension it again.
●During working period, oil this machine according to lubrication
requirements. The lathe head stock should be cleared regularly and
renewed its oil to the oil indicator. Take care of the exposed fricative
surfaces and lubricate them quite often.
●In operation, if the machine has any trouble or abnormal noise or any
other abnormal situation, stop operating immediately and check to repair
it.
11. Spare Parts And Accessories
●Spare Parts
Ser. №.
Description
Drawing No.
Material
1
Cross nut
AT400-03-117
ZQSn6-6-3
2
Split nut
AT400-03-125
ZQSn6-6-3
3
Small carriage
lead screw nut
AT400-06-110
ZQSn6-6-3

17
●Accessories
Ser. №.
Description
Specification And Mark
Quantities
1
Three-jaw chuck
160 K11
1
2
Inside hexagon
spanner
4
5 S91-7
6
1
3
Single open end
spanner
10, 13, 16, 18
1
4
Dead center
3 D11
1
5
Toper shank of
drilling chuck
MT.3#
1
6
Drill chuck
13 J01
1
7
Wedge
1
8
Rocker bar
1
9*
Center frame
1
10*
Moving frame
1
11*
Cutting tool
6
12*
Square box
1
13*
Milling cutter disk
φ63
1
14*
Disc chuck
1
Note: Above-mentioned marked with “*”are served as special accessories.
12. The Reforming Type CJ9330×900
This machine (CJ9330×900) comes from AT400 multipurpose machine, it
becomes a type of light-duty bench lathe after the drill-mill head stock is
omitted. Its main specifications and technical data and other illustrations are
the same as the turning parts of AT400.
Note: All contents of this Instruction Manual are subject to change without
notice.