Trumpf TruTool N 350 User manual

Operator's manual
english
TruTool N 350 (1A1)

2 Safety E454EN_04.DOC
Table of contents
1. Safety ..................................................................................3
2. Description .........................................................................5
2.1 Correct use ..........................................................................6
2.2 Technical data .....................................................................7
3. Tool assembly....................................................................8
3.1 Changing the stroke rate .....................................................8
3.2 Selecting the tool. ................................................................9
4. Operation..........................................................................10
4.1 Changing the cutting direction ...........................................11
4.2 Nibbling with templates......................................................12
4.3 Making inner cutouts..........................................................12
5. Maintenance .....................................................................13
5.1 Changing the tool...............................................................14
Disassembling the punch .............................................14
Installing the punch.......................................................14
Replacing the die..........................................................15
5.2 Disassembling the machine...............................................16
5.3 Resharpening tools............................................................17
5.4 Replacing carbon brushes.................................................18
6. Wearing parts...................................................................19
7. Original accessories........................................................19
8. Options .............................................................................20
Warranty
Replacement parts list
Addresses

E454EN_04.DOC Safety 3
1. Safety
¾Read the Operator's Manual and the general safety rules
(Material number 1239438, red document) in their entirety
before starting up the machine. Follow precisely the directions
contained therein.
¾Read the Operator's Manual and the safety instructions
(Material number 125699, red document) in their entirety
before starting up the machine. Follow precisely the directions
contained therein.
¾The safety regulations according to DIN VDE, CEE, AFNOR
and other regulations which are valid in individual countries
should be adhered to.
Danger
Lethal danger due to electric shock!
¾Remove the plug from the plug socket before undertaking any
maintenance work on the machine.
¾Check the plug, the cable and the machine for damage each
time before the appliance is used.
¾Keep the machine dry and do not operate in damp rooms.
¾When using the electric tool outside, connect the fault current
(FI) protective switch with a maximum breaking current of
30 mA.
Warning
Danger of injury possible due to improper handling!
¾When working with the machine, wear safety glasses, hearing
protection, protective gloves and work shoes.
¾Do not plug in the plug unless the machine has been
switched off. Pull out the mains plug after use.
Warning
Risk of injury to the hands!
¾Do not place your hand into the processing line.
¾Use both hands to hold the machine.
USA/CAN
Rest of the world

4 Safety E454EN_04.DOC
Caution
Damage to property possible due to improper handling!
The machine will be damaged or destroyed.
¾Do not use the power cord to carry the machine.
¾Always guide the electric cord away from the back of the
machine and do not pull it across sharp edges.
¾Arrange for start-ups and checks on manual electric tools to
be carried out by a trained specialist. Only used the original
accessories provided by TRUMPF.
Warning
Risk of injury from high-temperature and sharp chips!
High-temperature and sharp chips are expelled from the chip
ejector at high speed.
¾The use of the chip bag is recommended.
Warning
Risk of injury from falling machinery!
The entire weight of the machine must be taken up after
processing of the work workpiece.
¾Use suspension eyelet with balancer.

E454EN_04.DOC Description 5
2. Description
4
5
3
2
1
9
S
6
7
8
1 Sleeve (knurled nut for clamping
the die)
2 Punch
3 Die carrier
4 Axis
5 Handle
6 On/Off switch
7 Speed controller
8 Red indicator light (LED)
"Motor overload"
9 Lock (clamping for the die)
S Chip ejection
Nibbler TruTool N 350
Fig. 28212

6 Description E454EN_04.DOC
2.1 Correct use
Warning
Risk of injury!
¾For processing and materials, only use machines which are
named in "Correct use".
The TRUMPF Nibbler TruTool N 350 is an electric hand tool used
for the following applications:
•Slitting plate-shaped workpieces made of a punchable material
such as steel, aluminium, non-ferrous heavy metals, and
plastic.
•Nibbling straight or curved exterior and interior cutouts.
•Nibbling from scribed lines or templates.
Note
The nibbling process produces cutting edges free of deformations.
Note
Because of the hollow round punch, the nibbler can be rotated at
any position such that processing can continue mm any direction.

E454EN_04.DOC Description 7
2.2 Technical data
Rest of the world USA
Values Values Values Values
Voltage 230 V 120 V 110 V 120 V
Frequency 50/60 Hz 50/60 Hz 50/60 Hz 50/60 Hz
•Steel 400 N/mm² 3.5 mm 3.5 mm 3.5 mm 0.14 in
•Steel 600 N/mm² 2.3 mm 2.3 mm 2.3 mm 0.09 in
•Steel 800 N/mm² 1.8 mm 1.8 mm 1.8 mm 0.07 in
•Aluminium 250
N/mm²
3.5 mm 3.5 mm 3.5 mm 0.14 in
Working speed 1.4 m/min 1.4 m/min 1.4 m/min 3.9 ft/min
Nominal power
consumption
1400 W 1400 W 1140 W 1200
Stroke rate with idle run 725/min 725/min 650/min 650/min
Weight 3.7 kg 3.7 kg 3.7 kg 8.2 lbs
Cutting track width 14 mm 14 mm 14 mm 0.55 in
Start hole diameter for
die
30 mm 30 mm 30 mm 1.2 in
Smallest radius with
curved cutouts
7 mm 7 mm 7 mm 0.28 in
Protective insulation Class II Class II Class II Class II
Technical data
Noise and vibration Measured values in accordance
with EN 50144
A-weighted sound level Typically 83 dB (A)
A-weighted acoustic power level Typically 85 dB (A)
Hand-arm vibration Typically less than or equal to
2.5 m/s²
Measured values for noise and vibration
Note
The measured values specified above may be exceeded while
working.
Table 1
Table 2

8 Tool assembly E454EN_04.DOC
3. Tool assembly
3.1 Changing the stroke rate
6
1 Setting wheel for speed
controller on motor
Speed controller
Reducing the stroke rate: rotate setting wheel for the speed
controller counter-clockwise.
A reduced number of strokes improves the quality of the work
•for precise machining along scribed lines.
•for machining radiuses.
•for machining steel with a tensile strength > 400 N/mm²
(improved service life).
Fig. 27948

E454EN_04.DOC Tool assembly 9
3.2 Selecting the tool.
2 different tool sets are available for machining sheets of different
tensile strengths:
Parameters Standard Cr
Tensile strength of the
material to be
machined
<400 N/mm²
(e.g. mild steel)
> 400 N/mm²
(e.g. chromium steel)
Type of punch Standard (093538) Punch for high-tensile
sheets (103545)
Characteristics
differentiating
between the punches
Die Standard (093536) Die for high-tensile
sheets (103546)
Characteristics
differentiating
between the dies
Cr
Table 3

10 Operation E454EN_04.DOC
4. Operation
Caution
Damage to property possible due to too-high network
voltage!
Damage to the motor.
¾Check the power supply. The power supply must correspond
to the information on the machine type plate.
Warning
Danger of injury possible due to improper handling!
¾When working with the machine, always ensure that it has a
secure base.
¾Never touch the tool while the machine is running.
¾Always guide the machine away from the body while working.
¾Do not work holding the machine above your head.
The appliance may switch off prematurely when affected by
electromagnetic disruptions. The appliance will resume operation
once the faults have been cleared.
If the motor temperature is too high, the motor will switch off. The
red indicator light (LED) with the motor lights up.
¾Allow the machine to run in idle until it has cooled down.
The machine can be operated again normally after it has cooled
down.
1
1 On/Off switch
¾Move the On/Off switch to the front.
Electromagnetic faults
Motor overload protection
Switching on the
TruTool N 350
Fig. 27991

E454EN_04.DOC Operation 11
Note
The cutting result is improved and the service life of the blade
increased if the cutting track is coated with oil before machining the
workpiece.
Material Oil
Steel Punching and nibbling oil, Order No.
103387
Aluminium Wisura oil, Order No. 125874
1. Do not move the machine towards the workpiece until full
speed has been reached.
2. Machine/process the material.
–Machine the desired cutting line.
3. In the event that the cutting track ends in the sheet, pull the
still-running machine a few millimetres back towards where the
cutting track has already been cut open.
4. Switch off machine.
¾Move the On/Off switch to the rear.
4.1 Changing the cutting direction
In situations where space is limited, the tool and/or the cutting
direction can be turned by 90° to the right or to the left
(see Fig. 9766, Pg. 15).
1. Open locking mechanism (31).
2. Rotate die carrier (3) by 90° in the desired direction.
3. Close the locking mechanism again (31) manually.
Table 4
Working with the
TruTool N 350
Switching off the
TruTool N 350

12 Operation E454EN_04.DOC
4.2 Nibbling with templates
The following requirements must be met when nibbling with
templates:
•The template must be at least 3-4 mm thick.
•The contour of the template must have a clearance of 5.5 mm
to the contour to be nibbled out.
•The nibbler must be guided in such a way that the exterior cut-
out of the punch guide (5) always remains up against the
template.
•Observe a minimum radius of 7 mm.
4.3 Making inner cutouts
¾Make a start hole at least 30 mm in diameter.

E454EN_04.DOC Maintenance 13
5. Maintenance
Danger
Possible lethal danger due to electric shock!
¾Pull the plug out of the socket when carrying out tool changes
and before all maintenance work on the machine.
Caution
Damage to property possible due to blunt tools!
Overloading of the machine.
¾Check the cutting edge of the cutting tool hourly for wear.
Sharp cutting tools provide good cutting performance and are
easier on the machine. Replace punches promptly.
Warning
Risk of possible injury due to improper repairs!
The machine does not function properly.
¾Repairs should be carried out only by a trained specialist.
Maintenance point Procedure and time interval Recommended lubricants Order No.
Lubrication
agents
Punch and die carrier With each tool change Lubricating grease "G1" (tube) 25 g 344969
Gearbox and
gear head (2)
After 300 operating hours,
arrange for a trained specialist to
relubricate or to replace the
lubricating grease
Lubricating grease "G1" 900 g 139440
Punch Regrind as needed - -
Punch Replace as needed - -
Ventilation slots Clean as needed - -
Die Replace as needed - -
Maintenance positions and maintenance intervals
Table 5

14 Maintenance E454EN_04.DOC
5.1 Changing the tool
If the punch or die becomes blunt, resharpen the punch or change
the tool.
Disassembling the punch
1. Open locking mechanism.
2. Rotate die carrier by 45°.
3. Pull die carrier out towards the bottom,
4. Remove punch by rotating it,
Installing the punch
1. Lightly lubricate the punch and die carrier bore hole with
lubricating grease "S1" TRUMPF Order No. 121486.

E454EN_04.DOC Maintenance 15
Replacing the die
dF
a
6
31
b
5
3
2
c
2 Die
3 Die carrier
5 Sleeve (knurled nut for clamping
the die)
6 Punch
31 Locking mechanism
F Lubricating grease "G1"
Requirements for loosening the die.
1. Loosen knurled nut.
2. Slide knurled nut upwards.
3. Clean support area on the die carrier.
4. Clamp the new die tightly in the die carrier with the sleeve.
Fig. 9766

16 Maintenance E454EN_04.DOC
5.2 Disassembling the machine
If the machine has been taken apart, the following is to be
observed when reassembling it:
¾Tighten axis (093539) with a turning moment of 24 Nm.

E454EN_04.DOC Maintenance 17
5.3 Resharpening tools
Punch for the Nibbler N 350
Fig. 9907

18 Maintenance E454EN_04.DOC
Punches can be resharpened as long as they do not become
shorter than the minimum length specified.
•Regrind the grinding surface in accordance with the preceding
diagram, making sure that it is well-cooled during the process.
•Lightly apply fine-grained oil stone to the cutting edge.
•Observe a minimum length of 51.5 mm. Shorter punches must
be replaced (risk of collision).
Note
Dies can not be resharpened.
5.4 Replacing carbon brushes
The motor comes to a standstill when the carbon brushes are worn
out.
¾Have the carbon brushes checked and replaced as needed by
a trained technician.
Note
Only use original replacement parts and take note of the
information on the rating plate.

E454EN_04.DOC Wearing parts 19
6. Wearing parts
Designation Material No.
Standard punch 093538
Punch for high-tensile sheets 103545
Standard die 093536
Die for high-tensile sheets 103546
To ensure fast delivery of the correct original and wearing/
expendable parts:
1. Give the order number.
2. Enter further order data:
–Tension data
–Number of pieces
–Machine type
3. Give complete dispatch data:
–Correct address.
–Required delivery type (e.g. air mail, courier, express mail,
ordinary freight, parcel post).
4. Send the order to the TRUMPF representative office. For
TRUMPF service addresses, see the address list at the end of
the document.
7. Original accessories
Designation Material No.
Handle, complete 974659
Lubricating grease "G1", tube 344969
Case 982540
Operator's manual 976150
Safety information (red document),
other countries
125699
Safety information (red document),
USA
1239438
Table 7
Table 6
Ordering wearing parts

20 Options E454EN_04.DOC
8. Options
Designation Material No.
Chip bag 097210
Punching and nibbling oil for steel
(0.5 litre)
103387
Punching and nibbling oil for
aluminium (1 litre)
125874
Suspension eyelet 097208
Spacer bush for ≤2 mm sheet 110104
Table 8