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Process Plan

LED small batch lead-free process solution

Author: adminPublication Time:2019-04-24Reading volume:2556SmallMediumLarge

Text label:

 

 

 

 

Hand cord feature

1. The plug-in cable can be made every 2 meters, 3 meters, and can be made into one piece.

2. The adjustment of the bottom plate is easy and easy to adjust by the adjustment handle

3. There are two ways of automatic transmission and hand pushing the bottom plate.

4. The bottom plate transfer table can be connected to the reflow soldering furnace or the wave soldering furnace.

5. Automatic transmission adopts stepless speed adjustment to adjust conveying speed

 

 Incoming board
Configuration:
1. Taiwan STK speed motor control;
2. The docking station is 1000mm long;
3.35B imported high quality nylon chain transmission;
4. Special aluminum profile rails;
5. Special gear and trapezoidal screw synchronous widening structure;
6. Surface treatment: electrostatic spray computer white;
7. PCB width 50-300mm;
8. The front rails are fixed, from left to right.
   V-250C lead-free wave soldering
1. The heating system adopts long-life electric heating tube and casing embedded structure, which is easy to maintain and replace. Use new insulation materials.
2. The heating system adopts high precision and integrated imported brand temperature control closed loop PID adjustment. Accurate temperature control and high reliability.
3. The transportation speed is controlled by liquid crystal digital display governor, which is steplessly adjustable and convenient to control.
4. Use very economical low pressure atomization coating. Fully automatic detection of PCB scanning spray.
5. Hydraulic integral flap structure. Large format observation window with simple appearance and easy maintenance.
6. Titanium claws made of titanium titanium alloy. Rugged, non-deformable, consistent, and keep the PCB soldered smoothly.
7. The stirring motor adopts brand-name wave motor and brand-name inverter to achieve smooth stepless speed regulation to ensure the smoothness of the peak surface.
8. High efficiency far infrared preheater with high thermal efficiency.
9. Nozzles, motors, frequency converters, temperature controllers, sensors, solenoid valves, photoelectric eyes, relays, etc. are all brand-name products.

 

 Features
1. Taiwan STK with tooth box with speed control dedicated control motor, running smoothly and not shaking.
2. 40*40 special aluminum profile with special connection angle adjuster, just adjust the connection angle by turning the adjustment handle.
3. Imported 2MM thick anti-static conveyor belt, durable wear.
4. Special lifting sleeve structure, the height of the connection can be adjusted as long as the lifting handle is turned.
5. Height adjustment: Please loosen the inner hexagon with the special wrench provided, lift the upper part of the docking station, and then tighten the screw.
6. Speed adjustment: Please use the knob on the governor, low speed on the left and high speed on the right.
7. Level adjustment: Please use the foot cup of the machine foot to level.
8. Connection angle adjustment: Please loosen the two support rod screws first, then loosen the middle connection handle, adjust to an appropriate angle, and then lock the parts.
 

 

Lead-free solder paste product features

Adapt to long-term printing (more than 6 hours).
High strength antioxidant capacity.
It has good viscosity and thixotropy, and has a very long tacking time and is not easy to collapse.
It has an extremely high insulation resistance and does not require cleaning.
It is not easy to produce tiny solder balls after soldering.
V series no-clean lead-free solder paste is a solder paste that is developed according to IPC and JIS and other international standards to meet future environmental protection requirements. It adopts new rosin resin and composite anti-oxidation technology, and selects low-oxidation spherical solder alloy. It is made from powdery and chemically stable paste-like environmentally friendly flux.

Suitable for all kinds of precision welding in the electronic assembly process SMT production. Alloy series no-clean lead-free solder paste

 

 

Steel mesh

File PCB film and other professional data processing, high precision error. Imported steel sheet production, reliable quality.
Standard size: 37cm*47cm
Non-standard size: 30cm*40cm/42cm*52cm/ 55cm*65cm
Steel sheet thickness (optional): 0.1/0.12/0.15/0.18/2.0
Production method: etching / etching / laser

 

 

Manual printing station

Features
1. The combined printing platen has a fixed groove and PIN, which is easy to install and adjust, and is suitable for printing on single and double panels.
2. The school board method uses steel mesh to move and feeds the printed (PCB) X, Y, and Z. Correcting fine-tuning is quick and easy.
3. One-way and two-way, multiple printing methods can be set.
4. The blade angle is adjustable, steel scraper and rubber scraper are suitable.

 

 

Artificial patch production line

The artificial patch production line is mainly a manually simulated patch nozzle. The air pressure difference (reverse vacuum) generated by the manual patch pen itself is used to directly suck the patch component from the tape, and then the component is manually placed. In the corresponding PADS position, the artificial patch force is less than the sticking force of the solder paste (adhesive glue) through the adjusted air pressure suction, and the components are automatically placed on the corresponding PADS.

 

 

V-MC835 lead-free reflow soldering

Unique advanced longevity heating system
1. The heating system adopts high-efficiency and energy-saving Swedish 110 volt nickel-plated heating tube with a peak wavelength of 4 UM, combined with a curved reflector, high thermal efficiency, fast temperature rise, and a special forced hot air circulation structure system to make the PCB and components heat evenly. Completely eliminate the "shadow effect."
2. Adopting Swiss CARLO high-current solid-state relay without contact output, safe and reliable, combined with the unique fuzzy control function of the thermostat, it constantly monitors the changes of external temperature and heat value, and controls the heating device with minimum pulse. Respond to ensure that the temperature control accuracy is ±1 °C, the temperature distribution error within the machine is within ±2 °C, and the temperature distribution in the longitudinal direction conforms to the IPC standard.
3. Temperature control adopts imported precision controller with fuzzy control and PID intelligent operation, through PID intelligent operation, automatic control of heat generation, fuzzy control function to increase overshoot and suppression function and quickly respond to external heat change function, fastest speed response Changes in external heat and internal control ensure a more balanced temperature.
4. The heat pipe module is designed for easy maintenance and disassembly.
5. Adopting Taiwan Mitsukoshi high-temperature high-speed motor, the wind is stable, the vibration is small, and the noise is small.
6. The upper furnace body can be opened as a whole to facilitate the cleaning of the furnace.
7. With temperature tolerance, fault diagnosis, sound and light alarm
8. Powerful, rapid heating, from room temperature to a constant temperature of about 15 minutes.
9. Special SSR radiator, greatly improving heat dissipation efficiency and effectively extending its service life
10. It adopts high temperature protection system, the furnace is made of special materials, suitable for lead-free soldering, and the soldering area is equipped with rosin flux recovery system to protect the environment.


Reliable and stable transmission system
1. Transmission system adopts Taiwan STK stepless variable speed motor, electric adjustable line speed stepless speed governor, with 1:150 STK turbine reducer, running smoothly, speed 200-1800mm/min stepless adjustable, and accurate The digital line speed indicator.
2. It adopts independent roller structure and supporter support, combined with the matching stainless steel mesh belt, it runs smoothly and the speed is accurate to ±20mm/min;
Special stainless steel mesh belt, durable and wearable. It is not easy to change for a long time.

 

 

Maintenance workbench

Pull

01. Pull-through integral bracket adopts 40*40 iron square pass

02. The overall frame of the H frame is 40*40 iron square
2. Workbench

01. Workbench size is 2440×1220, using 18mm sandwich panel (high density)

02. Anti-static rubber surface, T-shaped rubber edge

3 lighting

01. Light bracket with integral bracket 40*40 iron square pass

                           

02. Lamp: Bilateral light pipe with lampshade

4. Circuit

01. The wire trough is formed by bending 1.2m cold plate, bilateral 02. Socket: three stable sockets

5. Process card holder Special aluminum profile with A4 hard rubber sleeve
6. Control system standard (individual open)

7. Surface treatment

The above is a bilateral production line, each station standard width 800MM

 

2018-10-24 166Reading volum