Huvema HU 30 CROSS-4 User manual

HU 30 CROSS-4
GEARED HEAD
MILLING & DRILLING MACHINE

WARNING:FAILURE TO FOLLOW THESE RULES
MAY RESULT IN SERIOUS PERSONAL INJURY
As with all machinery there are certain hazards involved with
operation and use of the machine. Using the machine with respect and
caution will considerably lessen the possibility of personal injury. However,
if normal safety precautions are overlooked or ignored, personal injury to
the operator may result.
This machine was designed for certain applications only. We strongly
recommends that this machine. NOT be modified and/or used for any
application other than for which it was designed. If you have any questions
relative to its application DO NOT use the machine until you have had
detail instruction form your dealer.
SAFTEY RULES FOR ALL TOOLS
1.FOR YOUR OWN SAFETY , READ THIS INSTRUCTION MANUAL
BEFORE OPERATING THE TOOL. Learn the tool’s application and
limitations as well as the specific hazards peculiar to it.
2.KEEP GUARDS IN PLACE and in working order.
3.GROUND ALL TOOLS. If tool is equipped with three-prong plug, it
should be plugged into a three-hole electrical receptacle. If an adapter is
used to accommodate a two-prong plug receptacle, the adapter lug must be
attached to a know ground . Never remove the thrid prong.
4.REMOVE ADJUSTING AND WRENCHES.
Form habit of checking to see that keys and adjusting wrenched are
removed form tool before turning it “on.”
5.KEEP WORK AREA CLEAN. Cluttered areas and benches invite
accidents.
6.DON’T USE IN DANGEROUS ENVIRONMENT. Don’t use power
tools in damp or wet locations, or expose them to rain. Keep work area
well-lighted.
7.KEEP CHILDER AND VISITORS AWAY. All children and visitors
should be keep a safe distance form work area.
8.MAKE WORKSHOP CHILDROOF-with padlocks, master switches, or
by removing starter keys.
9.Don’t force tool. It will do the job better and be safer at the rate for
which it was designed.

10.USE RIGHT TOOL. Don’t force tool or attachment to do a job for
which it was not designed.
11.WEAR PROPER APPAREL. No loose clothing , gloves , neckties ,
rings , bracelets, or other jewelry to get caught in moving parts. Nonslip
foot wear is recommended . Wear protective hair covering to contain long
hair.
12.ALWAYS WEAR EYE PROTECTION. Refer to ANSIZ87.1 Standard
for appropriate recommendations . Also use face or dust mask if cutting
operation is dusty.
13.SECURE WORK. Use clamps or a vise to hold work when practical.
It’s safer than using your hand and frees both hands to operate tool.
14.DON’T OVERREACH. Keep proper footing and balance at all times.
15.MAINTAIN TOOLS IN TOP CONDITION.
Keep tool sharp and clean for best and safest performance. Follow
instructions for lubricating and changing accessories.
16.DISCONNECT TOOLS before servicing and when changing
accessories such as blades,bits cutters,etc.
17.USE RECOMMENDED ACCESSORIES.
Consult the owner’s manual for recommended accessories. The use of
improper accessories may cause hazards.
18.AVOID ACCIDENTAL STARTING. Make sure switch is in “OFF”
postion before plugging in power cord.
19.NEVER STAND ON TOOL. Serious injury could occur if the tool is
tipped or if the cutting tool is accidentally contacted.
20.CHECK DAMAGED PARTS. Before further use of the tool, a guard
or other part that is damaged should be carefully checked to ensure that it
will operate properly and perform its intended function check for
alignment of moving parts binding of moving parts,breakage of parts
mounting , and any other conditions that may affect its operation.A guard
or other part that is damaged should be properly repaired or replaced.
21.DIRECTION OF FEED. Feed work into a blade or cutter against the
direction of rotation of the blade or cutter only.
22.NEVER LEAVE TOOL RUNNING UNATTENDED.TURN POWER
OFF. Don't leave tool until it comes to a complete stop.
23.DRUGS ALCOHOL, MEDICATION. Do not operate tool while under
the influence of drug,alcohol or any medication.
24.MAKE SURE TOOL IS DISCONNECTED FORM POWER SUPPLY
while motor is being mounted, connected or reconnected.

CHANGING THE GEAR BOX OIL
Tilt the head stock over as shown in Fig 1. Open the drain plug to allow
the oil to drain form the opening completely. Then lock the oil drain plug
and turn the head to be upright position. Remove the oil filler plug fill the
oil to the gear until the oil lever reach the middle of oil fluid lever indicator.
Then lock the plug.
CLEANNING
(1) Your machine has been coated with a heavy grease to protect it in
shipping. This coating should be completely removed before operating
the machine. Commercial degreaser , kerosene or similar solvent may
be used to remove the grease form the machine, but avoid getting
solvent ob belts or other rubber parts.
(2) After cleaning , coat all bright work with a light lubrication. Lubricate
all points with a medium consistency machine oil.
LUBRICATION:
All ball bearings in your mill/drill are sealed for lift,requiring no
lubrication.
Points requiring lubrication are:
(1)Internal spline drive assembly. Keep this area well lubricated with a
good grade grease, insert grease in the hole at the top of spindle pulley
spline driver, lube twice yearly.
(2)Alight film of oil applied to the quill and column will reduce
wear,prevent rust, and assure ease of operation.
(3)Quill return spring should receive oil (sae 20) once yearly. Remove
cover plate and apply oil with squirt can or small brush.
(4)IMPORTANT:The gear box should be oiled with a lubricant such as sae
68 oil in level. CHANGE OIL EVERY ONE YEAR.
(5)Apply lubriplate to quill pinion every 90 days.
NOTE: use extreme care when performing this operation and keep
hands clear of pinch points. When using paraffin bar , do this only by
turning the sheaves by hand. Do not apply with motor running.
USE OF MAIN MACHINE PARTS
(1) To raise and lower the head by head handle.
(2) Equipped with an electric switch for tapping operation clockwise or
counterclock wise.

(3) To adjust the quick or slow feeding by feed handle.
(4) Toadjust the table left and right travel by table handle wheel.
(5) To adjust the table fore and after travel by table handle wheel.
(6) To operate the spindle handle wheel for micro feed.
(7) To adjust the scale size according to working need.
PRECAUTION OPERATION
Check all parts for proper condition before operation ; if normal safety
precautions are nnoticed carefully, this machine can provide you
withstanding of accurate service.
(1) Before Operation
(a) Fill the lubricant
(b)In order to keep the accurate precision, the table must be free form
dust and oil deposites.
(c) Check to see that the tools are correctly set and the workpiece is set
firmly.
(d)Be sure the speed is not set to fast.
(e) Be sure everthing is ready before use
(2) After Operation
(a) Turn off the electric switch.
(b)Turn down the tools.
(c) Clean the machine and coat it with lubricant.
(d)Cover the machine with cloth to keep out the dust.
(3) Adjustment of head
(a) To raise and lower the head,loosen the leaf screw located on the
right side of the raise and lower base.When the desired height is
reached tighten leaf screw to avoid vibration.
(b)Head may be rotated 360º by loosening the same bolts mentioned
above.Adjust the head to the desired angle,then fix the heavy duty
head locknuts. It is tighten the same to fix the head if drilling &
milling too much.
(c) Unscrew 3 nuts while the workpiece needs to be drilled.Turn to the
degrees you wish on the scale,then screw the 3 nuts.
(4) Adjust of the lifting table
(a) Loosening the locking handles,rocking the crank to move the lifting
table up and down along the column,when arrived the height of
your request , tighten the handles to prevent loosde.

(b)When need to working large parts,loosening the locking
handles,rotating the lifting table of 180 º, then tighten the
handles,and place the part on the base to work on it.
QUILL RETURN SPRING ADJUSTMENT:
Spring tension for return of spindle , after hole drilling,has been
pre-set at the factory.No futher adjustment should be attempted unless
absolutely necessary. Adjustment will probably br required if a multiple
spindle drilling or tapping head is used.If adjustment is necessary ,
loosen lock screw while holding quill spring housing. Do not allow the
housing to turn in your hand , or spring will unwind.Turn entire
housing assembly clockwise the number of turns necessary to cause the
quill to return to its uo position.(NOTE:The flat of the spring housing
pilot is lined up with the spring loading hole on the body of the spring
housing.) Reset lockscrew make sure point of screw mates the flat on
the housing journal.
(1)Preparing for Drilling (see fig.2)(Except addition power feed
system).
Turn of the knob make loose the taper body of worm gear and
spring base. Then we decide spindle stroke setting the positive
depth stop gauge for drilling blind hole or free state for pass hole.

(2)Preparing for milling(see fig.2)(Except addition power feed system)
(a)Adjust the positive depth stop gauge to highest point position.
(b)Turn tight of the knob be use to taper friction force coupling the
worm gear and spring base. Then turning the handle wheel by
micro set the spindle of work piece machining height.
ADJUSTING TABLE SLACK AND COMPENSATE FOR WEAR(see fig.3)
(1) Your machine is equipped with jib strip adjustment to compensate for
wear and excess slack on cross and longitudinal travel.
(2) Clockwise rotation the job strip bolt with a big screw for excess slack
otherwise a little counter cloclwise if too tight.
(3) Adjust the jib strip bolt until feel a slight drag when shifting the table.
CLAMPING TABLE BASE AND MACHINE BASE (See Fig.3)

(1) When milling longitudinal feed.It is advisable to lock the cross feed
table travel to insure the accuracy of your work. To do this , tighten the
small leaf screw located on the right side of the table base.
(2) To tighten the longitudinal feed travel of the table for cross feed
milling,tighten the two small leaf screw on the front of the table base.
(3) Adjustable travel stops are provide on the front of the table for control
of cross travel and the desired milling length.
TO CHANGE TOOLS
(1) Removing Face Mill or Drill Chuck Arbor
Loosen the arbor bolt at the top of the spindle shaft approximately 2
turns with a wrench.Rpa the top of the arbor bolt with a mallet.
After taper has been broken loose,holding chuck arbor on hand and turn
detach the arbor bolt with the other hand.
(2) To install Face Mill or Cutter Arbor
Insert cutter and cutter arbor bolt detach securely, but do not
over-tighten.
(3) Removing Taper Drills
(a)Turn down the arbor bolt and insert the taper drill into the spindle
shaft.
(b)Turn the rapid down handle rod down until the oblong hole in the
rack sleeve appears.Line up this hole with the hole in the spindle.Insert key
punch key through holes and strike lightly with a mallet. This will force the
taper drill out.
SPECIFICATION OF T-SLOT
The size of T-Solt on table as fig.4

TROUBLE SHOOTING HINTS
TROUBLE PROBABLE CAUSE REMEDY
Excessive
Vibration
1.Motor out of balance
2.Bad motor
1.Balance or replace problem motor.
2.Replace motor
Motor stalls 1.Over feeding.
2.Dull drill.
3.Motor not building up to
running speed.
4.Bad motor
1.Replace feed rate.
2.Sharpen drill and keep sharp.
3.Replace or repair motor .Check fuses in all
three legs on three phase motors and replace
if necessary.
4.Replace motor
Noisy Operation 1.Excessive vibration
2.Improper quill adjustment.
3.Nosiy spline.
4.Noisy motor
1.Check remedy under excessive vibration.
2.Adjust quill.
3.Lubricate spline.
4.Check motor bearing or for loose motor fan.
Drill or Tool heats
Up or burns work
1.Excessive speed.
2.Chips not clearing.
3.Dull tool.
4.Feed reate too slow.
5.Rotation of drill incorrect.
6.Failure to use cutting oil or
coolant (on steel)
1.Readuce speed.
2.Use pecking operation to clear chips.
3.Sharpen tool or replace.
4.Increase feed enough to clear chips.
5.Reverse motor rotation.
6.Use cutting oil or coolant on steel
Drill leads off 1.No drill spot.
2.Cutting lips on drill off center.
3.Quill loose in head.
4.Bearing play.
1.Center punch or center drill workpiece.
2.Regrind drill.
3.Tighten quill.
4.Check bearings and reseat or replace if
necessary.
Excessive drill
Runout or wobble
1.Bent drill.
2.Bearing play.
3.Drill not seated properly in
chucks.
1.Replace drill.Do not attempt to straighten.
2.Replace or reseat bearings.
3.Loosen , reseat and tighten chuck.
Work or fixture
Comes loose or
spins
1.Failure to clamp workpiece or
work holding device to table.
1.Clamp workpiece or work holding device to
table surface.

Head parts list
No Qty. Code Name No Qty. Code Name
1 1 20010B head body 37 1 6X14 key
2 1 20011B head body cover 38 1 6X28 key
3 2 φ62 Int retaining ring 39 2 φ8 ball
4 2 φ35 Int retaining ring 40 2 spring
5 1 20018B airtight base 41 2 φ18 Ext retaining ring
6 2 45×35X10 airtight ring 42 1 5X50 key
7 1 1.5KW motor 43 4 M6X12 screw
8 1 M8X25 screw 44 1 20107B III shaft
9 1 8 washer 45 1 20109-B Gear Z25
10 1 20201 plate 46 1 20110-2-B Gear Z18
11 1 20304-1B arbor bolt cover 47 1 20112-B Gear Z32
12 1 20304-2B arbor bolt cover base 48 1 20113-B Gear Z43
13 6 M8X45 screw 49 1 20115-B Gear Z16
14 2 8×40 pin 50 1 5X50 key
15 1 M10×10 screw 51 1 6X18 key
16 1 M10×8 screw 52 1 6X18 key
17 1 6X28 key 53 1 20019 spindle sleeve
18 1 ZG3/8” bolt 54 1 20104B spindle
19 2 20020B cap 55 1 30207 /P5 bearing
20 2 20307B speed lever 56 1 30206 /P5 bearing
21 2 3X18 pin 57 1 20114-B splined sleeve Z25
22 1 ZG3/8” oil plug 58 1 20116-B Gear Z53
23 3 M5x10 screw 59 1 φ35 Ext retaining ring
24 6 M4X8 screw 60 1 20012 feed base
25 1 M18X1.5 oil pointer 61 1 20128 support base
26 1 20105B I shaft 62 1 20129 nut
27 1 20105-1-B Gear Z14 63 1 20130 knob
28 3 6003 / P5 bearing 64 1 20131 graduated rod
29 3 6007 / P5 bearing 65 1 20021 fixed bolt
30 1 5X25 key 66 1 20132 scale board
31 1 20106B II shaft 67 1 φ30 lock washer
32 1 20108-B Gear Z29 68 1 M30X1.5 lock nut
33 1 20110-1-B Gear Z35 69 1 20308 rubber washer
34 1 20111-B Gear Z21 70 1 M4X8 screw
35 1 20106-1-B Gear Z41 71 1 3X18 split pin
36 4 6202 / P5 bearing 72 1 M8X30 bolt

No Qty. Code Name No Qty. Code Name
73 1 20024B separating ring 108 1 adjust handle
74 1 20133B Bearing cover 109 1 20125B lever shaft
75 1 M5X6 screw 110 1 20022-1B lever
76 1 M5X4 pin 111 1 20204-2B lever bracket
77 1 20015 worm wheel box 112 2 12 Ext retaining ring
78 1 20119 worm shaft 113 2 M6X16 screw
79 1 20302 worm cover 114 1 20204-3B lever rod
80 1 M6X12 screw 115 2 12X22X8 oil seal
81 1 20120 separating ring 116 1 20126B long lever shaft
82 1 20016 worm wheel 117 1 20204-1B lever bracket
83 1 20117 pinion shaft 118 1 20022-2B lever
84 1 20013 handle body 119 1 35x62x10 oil seal
85 1 20118 spring base
86 1 20123 spring cap
87 1 20122 spring plate
88 1 20303 big ripple handle
89 1 compression spring
90 1 20017 graduated plate
91 1 20121B handle rod
92 1 20301B handle ball
93 1 20306B handle wheel
94 1 20305-B handle rod
95 2 M8X25 screw
96 1 10107 screw
97 1 203063 washer
98 1 203066 screw
99 3 M6X12 screw
100 1 M5X12 screw
101 2 3X12 pin
102 1 8X20 key
103 2 M5X20 screw
104 1 3X15 pin
105 1 20124B fixed bolt
106 1 20203B fixed tight block
107 1 20202B fixed tight block

Base Parts List
No Qty. Code Name No Qty. Code Name
1 1 10002/40H base 45 1 screw M10 X 40
2 1 10001/40H column 46 2 10023/40H handle
3 1 10003/40H lifting table 47 2 10022/40H Adjust bolt
4 1 10005/40H slip saddle 48 2 washer 12
5 1 10004/40H work table 49 2 bolt M16 X 190
6 1 10016/40H elevating body 50 2 nut M16
7 1 10014/40 column lid 51 2 10017/40 bracket
8 1 10012/40H locked guide ring 52 2 10112/40 worm shaft
9 1 10014/40H up rack 53 2 10113/40 small shaft
10 1 10015/40H low rack 54 2 helical gear
11 1 10011/40H guide ring 55 2 10201/40 washer
12 1 10013/40H fixed ring 56 2 10018/40 rock handle
13 1 10006/40H gib strip 57 4 retaining ring
14 1 10007/40H gib strip 58 8 screw M6 X 25
15 2 10106/40 adjust screw 59 2 turn handle
16 1 10203/40 guide screw nut 60 3 screw M8X 12
17 1 10202/40 guide screw 61 2 10109/40 fixed block support
18 1 10021/40 guide screw support 62 2 nut M6
19 1 10020/40 right support 63 2 screw M6 X 16
20 1 10019/40 left support 64 6 pin 8 X 25
21 4 bearing 51103 65 3 T bolt M14X55
22 1 10008/40H table screw 66 3 washer 14
23 1 10009/40H base screw 67 3 nut M14
24 2 10102/40H dial clutch
25 1 10110/40 way cover
26 3 10111/40 guaduation plate
27 3 10301/40 handwheel
28 3 20305-2B/40 screw
29 3 20305-1B-40 turn handle
30 3 adjust handle
31 3 oil cup8
32 3 pin 5X35
33 3 10107/40 screw
34 1 10105/40 fixed block
35 2 screw M8 X 16
36 1 screw M5 X 25
37 1 screw M8 X 45
38 1 screw M5 X 25
39 8 screw M8 X 20
40 4 bolt M16 X 50
41 4 lock washer 16
42 6 flat washer 16
43 3 screw M10 X 20
44 2 screw M10 X 20

Certificate of Inspection
for
HU 30 CROSS-4 Drilling and
Milling Machine
Dispatch No.:

The machine has been qualified and may be permitted to dispatch
Head of Inspection Depart__________ Date___________
Director___________ Date___________

Total 2ACCURACY TEST FOR
MILLING & DRILLING MACHINE P1
No. Checking items Tolerance Error tested
G1 The flatness of worktable surface 0.04/300
G2 Squareness of worktable longitudinal movement
to cross movement
0.08/300
G3 The flatness of base surface 0.03/300
G4 Ran-out of spindle hole center line a)Near spindle
nose 0.02
b)At a distance
of 100 form
spindle nose
0.04

Total 2ACCURACY TEST FOR
MILLING & DRILLING MACHINE P1
No. Checking items Tolerance Error tested
G5 Parallelism of worktable
movement to worktable surface
a 0.02 for any 100
testing length
b 0.0.3 for any
300 testing Max
0.06
G6 Squareness of spindle
rotating line worktable surface
a 0.05/300
a≤90º
b 0.05/300
G7 Squareness of spindle sleeve
vertical movement to worktable surface
a 0.05/100
b 0.05/100

PACKING LIST FOR
GEARED HEAD DRILLING & MILLING MACHINE HU30Cross
Series No : Dimension :
G/W : N/W :
No. Name Spec Model Quantity Remark
1 Milling & drilling machine HU30Cross 1
2 Draw bar M12 1
3 Adapter MT2/3 1
4 Taper shank for drilling chunck MT3 1
5 Drilling chuck Φ1～Φ13 1
6 Arbor 1
7 T slot bolt M12×55 2
8 Washer 12 2
9 Nut M12 2
10 Tilted wedge 1
11 Spanner 22-24 1
12 Oil gun 1
13 Instruction Manual 1
14 Certificate of inspection 1
15 Packing list 1
Packing inspector___________
Date___________