H&H SF-816 User manual
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SF-816 Sewfree Tape Laydown + Trimmer
Operation Manual
is powered by
H&H Asia Group Limited
SF-816 operation manual
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Content
¾Precautions with regard to Safety............................................................3
¾Name Plate ......................................................................................................5
¾Introduction.....................................................................................................6
¾Specifications.................................................................................................7
¾Features ...........................................................................................................8
¾Component Names .......................................................................................9
¾Principle of Seam Sealing.........................................................................14
¾Preparation for Installation.......................................................................15
¾Operation & Controls .................................................................................17
Touch Screen Control..............................................................................................17
Main page -1................................................................................................................17
Main page -2................................................................................................................20
Main page - 3...............................................................................................................20
Parameter....................................................................................................................21
Monitor.........................................................................................................................22
Alarm ............................................................................................................................23
Power saving..............................................................................................................25
Program .......................................................................................................................25
Language.....................................................................................................................26
Foot pedal control.....................................................................................................27
¾Maintenance..................................................................................................28
Preventative................................................................................................................28
Procedures for Replacing Parts............................................................................29
¾Appendix A Nozzle Air Flow Cross Reference Table.........................32
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¾Appendix B Electrical Scheme................................................................33
¾Appendix C Wiring Scheme......................................................................34
¾Appendix D Tape heater temperature calibration...............................35
¾Appendix E PCB connectors....................................................................36
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¾Precautions with regard to Safety
Please observe these safety tips for safe, efficient, an injury-free operation of your
equipment. By strictly following all instruction contained in this manual you will certainly
obtain an excellent performance from the use of this equipment for years.
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SF-816 operation manual
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¾Name Plate
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¾Introduction
Thank you for your choosing of SF-816 which is manufactured by H&H.
The hot air sealing machine described in this manual is one of the most sophisticated
machines in the market today. Built on pure digital platform and designed for the
professional users, SF-816 incorporated many new features that make it perfectly locate
the cutter to prune while heating the tapes, and will make both processed sides of the
material with smooth and tidy outcome. Operators are recommended to have basic
knowledge and skill in seam sealing operation before using this machine.
This manual is aimed for the operators to understand the machine and avoid damage
to the machine or personnel. Please read this manual carefully and keep it well for daily
reference usage.
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¾Specifications
Model SF-816
Voltage 220 V, single phase
Frequency 50/60 Hz
Power Consumption 3600 W
Compressed Air > 0.4 Mpa
Air Consumption 100 L/min max
Nozzle Temperature 50 – 800°C
Tape Heater Temperature 50 – 300°C
Positioning Speed 1 – 30 ft/min
Nozzle Width 12 mm standard, other optional
Upper Roller Width 15 mm
Lower Roller Width 15 mm
Overall Dimensions 1200mm (L) x 700mm (W) x 1800mm (H)
Overall Weight 140 kg
Note: due to continuous improvement, specifications are subjected to change without prior
notification.
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¾Features
Control system –user friendly touch screen interface.
Differential speed control for upper and lower press rollers, a great help to reduce
the stretch and crease of the work piece.
Perfectly work with the cutter to prune while sealing the tapes.
Digital tape releaser for stable operation.
Large size color operate interface.
Power saving mode.
Multi-function foot pedal for an easy one-footed control operation.
Multi-language support for touch screen display interface.
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¾Component Names
Front View
1. heater
2. safety cover
3. worktable
4. adjustable feet
5. left foot pedal
6. right foot pedal
7. emergency push button
8. start button
9. main electric box
1
2
3
4 5
11
13
14
161718
12
6
7
8
9
10
15
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10. the compressed air supply switch
11. roller pressure regulator
12. nozzle air pressure regulator
13. front Panel
14. touch screen control panel
15. the heater power outlet
16. the nozzle air inlet connector
17. tape tensioner
18. tape
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Back View
1. the water treatment device
2. the motor drive electrical box
1 2
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1. quill cylinder
2. swing cylinder
3. heater swing position sensor
4. the solenoid valve assemble
5. the heat deflector
3
12
5
4
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Partial view - 1
1. swing cylinder
2. heater fixture
3. teperature sensor
4. safety cover
Partial view - 2
1. upper roller
2. lower roller
2
1
2
3
1
4
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¾Principle of Seam Sealing
The adhesive glue on the seaming tape will becomes vivid after heated up, let it
place on the seaming sections of different clothes can bind them up like bonding after
cool down. That bonding can refrain from water seeps in under a certain pressure.
A hot air machine, like SF-816, produces hot air with precisely controlled
temperature to directly heat up the adhesive glue of seaming tape. Fabrics and the
double faced adhesive tape will be sent into two corresponding positions between the
slewing upper and lower rollers. The linear speed of the press rollers is also called the
fringe pruning or double-side tape positioning speed.
During sealing, hot air is blowing out from the nozzle. The hot air that actually
reaches the surface of the tape is a mixture of hot air from the nozzle and the
surrounding air from the proximity. Hence the actual temperature that reaches on the
tape is lower than the original nozzle temperature. The farther the distance between
the nozzle and the tape, the higher the percentage of surrounding air slips in. On the
other hand, a higher hot air flow rate will reduce the percentage of surrounding air
causing the hot air temperature appears on the tape to be higher. So both the nozzle
position and hot air flow rate are the most important factors for temperature control.
In general, the major factors that can affect the seam sealing are as follows:
Hot air temperature
Positioning speed
Nozzle air pressure
Air flow rate
Nozzle position
For a consistent product, the combination of the above factors have to be set
precisely since their effects towards a proper sealing are all interconnecting.
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¾Preparation for Installation
Installation must be carried out by authorized personnel. Follow the steps below:
1. Position the machine on a flat surface and allow at least 50cm clearance on both sides as
well as the back side, this is essential for the hot air ventilation and also to allow enough room
for maintenance personnel to carry out necessary service and maintenance
2. Adjust the foot stand so that the machine is level and stable.
3. Loosen all packing cable ties and materials in order to free up all machine movements.
4. Connect the power plug to a suitable outlet with at least 16A capacity.
5. Locate the air hose supplied with the machine. Connect one end to the inlet of the
compressed air water filter at the back side of the machine; connect the other end to a
compressed air supply such as air compressor or central air supply. Make sure the
compressed air supply has at least 0.6 Mpa (6 bar) of pressure and a flow rate of not less
than 100L/min.
6. Install the tape dispenser assembly at the top of the machine and align the tape spool at right
angle to the working table of machine. (see diagram below)
Fix the tensioner
Fix the tensioner
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7. Install a roll of seaming tape with the adhesive side facing the operator (refer to the section
on tape feeding).
8. The machine is ready for operation now.
9. The touch screen panel will on and showing the program loading page. After a while, it will
change to show the main control page.
Install tape
Sticky facing the operator
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¾Operation & Controls
Touch Screen Control
The welcome note & program loading pages will show up once the machine is
powered on.
welcome note program loading
You can input the parameters via the touch screen control panel only as a matter with
a fingertip. Most of the setting and time control parameters can input onto the panel and
change to different pages for different settings. The surface of the panel is covered with a
membrane for protection. It can well protect the panel from gentle scratching.
Nevertheless, we still recommend a careful and soft touch on it.
Warning: Do not attempt to use scissors, awl, needle, etc. to direct contact with it or a permanent
damage will cause.
Main page -1
The page of the panel is named “main” which means it is the main control of the
machine.
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2
3
1
4
56 7 8
10
9
11
18
12
13
14
17 16 15
main page - 1
1. Nozzle temperature preset button & display.
2. Machine will be locked when this button was change to red. The machine can not
work when it was locked to protect the user. You can use this button when you
install the tape, and you need to lift this button when you finished or else the
machine can not work.
3. Nozzle temperature feedback (real time temperature feedback). It will display “<
50”, when the temperature less than 50℃. Make sure the temperature is less
than 50℃, when you turn off the power supply and compressed air.
4. This data will display if you turn on the power saving mode.
5. Nozzle heating on/off button. (text will turn to red when the heater is on)
6. Press the reverse button to start reversing the rollers.
7. Cutter on/off button. “Cutter on” means the cutter will start in the process of tape
affixed.
8. Vacuum on/off button.
9. Next page button. Turn to parameter page.
10. Differential speed setting button.
11. The pressure between the upper and lower rollers.
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12. The pressure of the nozzle.
13. Display the unit of the pressure. (Mpa, Bar, Kgf/cm2, psi)
14. Change the pressure unit.
15. Tape heater temperature feedback (real time temperature feedback). It will
display “< 50”, when the temperature less than 50℃.
16. Tape heater on/off button.
17. Roller speed display & setting button. (3.3 ft≈1 m)
18. Tape heater temperature preset button & display.
Table of contents
