Kalman Hafner Precision Legend 2.0 User manual
www.kalmanhafner.com Page 1 of 15
Precision Legend 2.0 Operating Instructions
Contents
1. General ....................................................................................................................................................................... 2
1.1 Manufacturer ...................................................................................................................................................... 2
1.2 Disclaimer............................................................................................................................................................ 2
1.3 Reading and storing these instructions ....................................................................................................... 2
1.5 Hazards and signal words................................................................................................................................ 3
1.6 Specific risk warnings....................................................................................................................................... 4
1.7 Mandatory actions.............................................................................................................................................. 4
2. Delivery contents...................................................................................................................................................... 5
2.1 Accessories......................................................................................................................................................... 5
2.2 Machine structure.............................................................................................................................................. 6
3. Setting up................................................................................................................................................................... 6
3.1 Unpacking and installation recommendations ........................................................................................... 6
3.2 Preparing a print job ......................................................................................................................................... 8
3.3 Starting a print job........................................................................................................................................... 12
3.4 Post-curing models......................................................................................................................................... 14
Version 1.2, 27.06.20
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1. General
1.1 Manufacturer
Kalman Hafner 3D GmbH
Schillerstrasse 6
75175 Pforzheim
Germany
1.2 Disclaimer
Kalman Hafner has made every effort to ensure that these instructions are as clear,
complete and correct as possible. The information contained in this document includes
general descriptions and/or technical characteristics relating to the performance of the
products in the delivery. This document is not intended as a replacement for determining
the suitability or reliability of this product for specific use cases and should not be used as
such. It is the responsibility of the user to carry out an appropriate and comprehensive risk
analysis, evaluation and test of the products with regard to the user’s specific application.
Neither Kalman Hafner nor its partners or subsidiaries will be held liable for misuse of the
information in this document.
Copyright © 2020 Kalman Hafner. All rights reserved.
1.3 Reading and storing these instructions
Please read through this manual and safety information carefully before using the Precision
Legend. Failure to observe this information may lead to injury or death. Keep all safety
information and notices in a safe place and make them available to successor users of the
product. Follow all instructions. This will help avoid injuries, electric shocks or other
hazards that may cause material damage and/or severe or lethal injury.
The Precision Legend may only be used by persons who have read and fully understood this
user manual. Ensure that all persons using the Precision Legend have read all warnings
and instructions and are observing them. Kalmar Hafner will not be liable for any material
damage or personal injuries that result from improper handling or from failure to observe
the safety information. Your warranty becomes void in such instances.
1.4 Warranty
Your Precision Legend comes with a legally required one-year warranty. The warranty
period starts from the date of purchase. The warranty excludes consumables. These are:
the LCD display, Teflon, refill caps for resin bottles.
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1.5 Hazards and signal words
HAZARD SYMBOL
DANGER
An immediate risk to life or health
(severe injury or death)
CAUTION
Potentially hazardous situation
(moderate injury or material damages)
NOTE
Tips on use and useful information
IMPORTANT
Specific behaviour or activity that is
mandatory to ensure safe working with
the machine
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2. Delivery contents
2.1 Accessories
1
External power supply, 24 V
2
Replacement screws for display and casing
3
Allen key
4
Printing platform
5
Resin tank
6
Replacement Teflon for resin tank
7
Resin mixer (optional for third-party resins)
8
Air filter
9
Spray bottle
10
Refill cap for resin bottles
11
Paper filter for resin
12
Sand paper for preparing the printing platform
13
Spatula
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2.2 Machine structure
3. Setting up
3.1 Unpacking and installation
recommendations
→Step 1: Unpack the printer and remove
all packaging films
IMPORTANT
IMPORTANT:
Place the Precision Legend
on a stable surface. Shaking and
vibrations can affect print quality. We
also recommend placing the printer in a
dark area away from natural and artificial
light sources.
Cover
Touchscreen
Resin bottle
Retaining screw for resin
bottle
Magnetic retaining
mechanism for platform
Refill cap
Platform
Tank
Air filter
Tank
mou
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→Step 4: Insert the plug on the 24 V
mains adapter into a mains supply socket
and press the On/Off button
3.2 Preparing a print job
→Step 5: Remove the platform by
pushing back the magnetic retaining
mechanism
Note: A bit of force is needed here
IMPORTANT
IMPORTANT:
Always use appropriate
protective clothing when handling solid
and liquid resins. Specific information
can be found in the safety datasheet for
the resin you are using
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→Step 6: Coat the platform with the
“primer resin” provided (Showmaster)
Note: When you first use it, the
platform has already been coated with
the “primer resin”; continue to step 11
This improves the adhesion of 3D prints
on the platform
→Step 7: Place the coated platform in
the UV curing device and cure the resin
for 3 minutes
→Step 8: Use a paper towel to wipe away
any unhardened resin residues
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→Step 9: Put the platform back in the
printer and push it into the magnetic
retaining mechanism
Note: The retaining mechanism must
be parallel to the platform handle when
correctly locked into position
→Step 10: Ensure that the tank retaining
clamps are closed.
Note: If the clamps are not closed,
high pulling forces can cause the tank to
be lifted
→Step 11: Place the filter casing
provided into the grille opening on the
back left of the tank
NOTE
Only make use of the refill system if you
will be using the printer on a daily basis.
Any resin remaining in the tank will
degrade more quickly if exposed to
oxygen and light. We recommend putting
leftover resin back into the bottle or -
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another suitable, fully opaque and
sealable container.
→Step 12: Fill the tank with resin
Note: For your first print we
recommend using around 80 ml of resin,
just enough to cover the Teflon
Alternative
→Step 13: Screw the refill cap onto the
resin bottle
→Step 14: Place the bottle with the refill
cap into the holder
•Remove the retaining screw
•Push the locking mechanism
upwards and place the neck of the
bottle in the fork
•Screw down the retaining screw
until the bottle is held firmly in
place
•Push the locking mechanism back
up and move the bottle down
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NOTE
The resin is kept at a set level. After
printing, therefore, the platform must be
cleaned more thoroughly as it is
submerged deeper into the resin
→Step 15: Close the cover
3.3 Starting a print job
→Step 16: Press PRINT on the touch
display
→Step 17: Select a sample dataset
suitable for your resin
Note: Three datasets are stored on
the printer
•Cast Away
•Copycat
•Showmaster
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→Step 18: Press NEXT
→Step 19: Press PRINT
→Step 20: Press YES to start the printing
process
Note: The platform will now move
downwards and the printing process will
start
CAUTION:
Risk of hand injury due to
crushing. Never touch the printer when
the platform is in motion
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3.4 Post-curing models
→Step 21: Once the printing process has
finished, open the cover and remove the
platform (step 2 and step 6)
→Step 22: Remove the models from the
platform using the spatula provided
→Step 23: Clean excess resin from the
platform using paper towels and
standard proprietary spirit
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→Step 24: Clean the models for
8 minutes in the washing station (filled
with spirit)
Note: If you do not have a washing
station, use the spray provided
→Step 25: Dry the cleaned models using
compressed air
→Step 26: Cure the models in the UV
curing device
Note: Recommended settings: curing
time of at least 40 minutes at 100%
power and 60°C
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