The LJ6030-A Automatic Tempering Glass Equipment heats the flat glass and then quenches it, so that the surface layer of the cooled glass forms compressive stress and the inside of the glass form tensile stress, to improve the strength of the glass and make ordinary annealed glass into tempered glass.



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LJ6030-A Automatic Tempering Glass Production Line

Description of the Equipment

1. Brief introduction

This tempering line includes a loading table, heating section with forced convection, passing section, quenching and cooling section, unloading table, and control system. It is used to produce flat tempered glass for furniture, home appliances, structural, architectural glass and Low-E glass, etc…

2. Loading Table

The loading table is made of rubber-covered Kevlar-rope rollers. When the glass is put onto the rollers, the glass will be conveyed automatically to the entrance of the furnace where it will be in the ready-to-enter position, and the rollers will then stop moving. It will send the glass into the furnace once the computer control system gives enter command.

Figure 1 The loading table of automatic tempering glass production line 1Figure 1 The loading table of automatic tempering glass production line 1

Figure 2 The loading table of automatic tempering glass production line 2

Figure 2 The loading table of automatic tempering glass production line 2




1.3 Heating Section

The structure of the heating section is of a double-layer box type covered with the insulating glass material. Inside this section, there is a conveyor system with high temperature-resistant ceramic rollers, which are imported from well-known manufacturers. Heating elements are installed on the upper layer and lower layer of this section. The upper layer radiation plate is a special heat resistant and anti-corrosion cast material. The heating element is of an integrated part with spiral-type resistance erected on the ceramic part, and it is easy to replace. When the glass is going to enter the furnace, the front door of the heating section opens, and the rollers of the loading table and heating section move at the same time. When the glass is in the furnace, the front door will close and the glass on the rollers will oscillate back and forth at a distance calculated automatically by the control system, such that the glass will be heated evenly. The heating elements are in a matrix layout.

1.4 Convection heating system

Our unique convection system consists of a compressed air system.

The air is compressed into a spiral shape tube inside the heating chambers (top and bottom), where air temperature reaches the temperature of the furnace before being blown into the glass. A perfect convection system, with the lowest power consumption and maintenance, cost when we compare it to other competitors.

1.5 Passing Section

The Passing technique is used to produce 4-6 mm. When used, the passing section can save power and reduce energy consumption. It’s no need to open the bigger blower after the passing section. It can almost save 60% of the energy of the quenching.

1.6 Flat Quenching Section

The alloy sections and steel sheets that we are using are tempered metals to avoid any possible deformation due to heat welding. And this ensures effective air flat distribution. Rational nozzle aperture and arrangement of air hole guarantee the glass even cooling. The upper and lower quenches are linked and combined with individual drives, which can actually control the accurate height for the air nozzle of quenches.

Matched with balance control of upper and lower air amount, the top and bottom of the glass can get the best air pressure on both sides, so as to ensure the flatness of tempered glass.

Figure 3 The flat quenching section of automatic tempering glass production lineFigure 3 The flat quenching section of automatic tempering glass production line

The 1.7 Unloading Table

The unloading table is similar to the loading table. When the glass is transported to the end of the conveyor, the rollers will stop, and the glass can be taken away by hand, or by a robot if it is available at the customer’s factory.

Figure 4 The unloading table of automatic tempering glass production lineFigure 4 The unloading table of automatic tempering glass production line

1.8 Control System

The control system includes the followings:

Process parameters storage and recall, such as glass thickness, size, color, glass type, and may be different sources of float glass and etc. Whenever you temper a new order for different thickness, size, color, type, source and etc., you just enter the process parameters, and the system will save these process data. Next time, when you have the same order, you can re-call the data, and the machine will automatically use the stored processing data to produce.

Figure 5 The control system of automatic tempering glass production line 1Figure 5 The control system of automatic tempering glass production line 1 Figure 6 The control system of automatic tempering glass production line 2

Figure 6 The control system of automatic tempering glass production line 2




The accessories schedule

Annex(1) (Spare parts sent with the tempering glass furnace)

No

Name of the parts

Quantity

Loading and unloading table

1

Universal wheel

20

2

Round belt

20

3

Bearing

2

4

Chain (for reducer)

1

5

Chain lock (for reducer)

5

Heating section

6

Ceramic roller

2

7

Bearing for the ceramic roller

6

8

Round belt

15

9

Ceramic tube

(For the lead wire of the heating wire of the upper furnace body)A-B-C

20-60-20

10

Ceramic tube

(For the lead wire of the heating wire of the upper furnace body)

10

11

Ceramic tube(for heating wire)

20

12

Ceramic tube

(for installing the heating wire on the furnace body)

10

13

Ceramic tube

(for installing the heating wire on the furnace body)

20

14

Upper&bottom Thermocouple

Each for 3

15

Upper heating element

6

16

Below heating element

3

17

Solenoid Valve

1

18

Insulation sleeve

5

19

Heat wire lead copper fittings

10

20

Thermocouple ceramic protection tube

10

Flat quenching and cooling section

21

Kevlar rope

50m

22

Chain

1

23

Chain lock

2

24

Round belt

10

25

Bearing(for drive roller)

4

26

Solenoid Valve 410-15

1

Electric cabinet

28

Intermediate relay

3

29

Intermediate relay base

3

30

Fuse

Each for 2

31

Breaker(heating wire)

5

32

SSR Solid State Relays

5

33

Heating element wiring terminal

10

34

Ф 150 mm Radiator fan

1

35

Ф 120 mm Radiator fan

1

36

Normal open/close contact

Each for 2


Annex(2) Main parts in each section

No.

Name of the parts

Brand

Loading and unloading table

1

Driving Motor

SIEMENS

2

Rubber-Coverd Roller

Customized

3

Round belt

Barbieri

4

Bearing(drive roller)

NTN/NSK

5

Universal wheel

KAIRUIQI

Heating section

6

Ceramic roller

Kamrola-USA

7

Driving Motor

SIEMENS

8

Motor Reducer

Foshan XingGuang

9

Round belt

Barbieri

10

Chain

Shunchang

11

Ceramic tube

HUAXU

12

Thermocouple

ZHAOQIN/DAZHENG

13

Heating element

Customized

14

Electromagnetic valve

AIRTAC

15

Heat wire lead copper fittings

Customized

16

Bearing for the ceramic roller

NTN/NSK

17

Thermal Insulation Materials

Customized

18

Air Cylinder

AIRTAC

19

HI-AL thermal-resistant board(inside)

Isolite

Flat quenchingand cooling section

20

Transmission roller

Developed by Customized

21

Driving Motor

SIEMENS

22

Motor Reducer

Foshan XingGuang

23

Kevlar rope

BEIJING

24

Air Cylinder

AIRTAC

25

Round belt

Barbieri

26

Bearing(for drive roller)

NTN/NSK

27

Solenoid valve winding

AIRTAC

Control System

28

PLC & All Kinds Of Module PLC

Omron

29

Inverter For Driving

YASKAWA/Danfoss

30

734 newsletter Board

Customized

31

485 Temperature Acquisition Board

Customized

32

Sensor

Autonics

33

Proximity Switch

Autonics

34

Intermediate Relay

Weidmueller

35

Fuse

Wohner

36

Breaker

MOLLER

37

SSR solid state relay

Customized

38

Encorder

KOYO

39

Radiator fan

Customized

40

24V Power

Customized

41

Contractor

SIEMENS

42

UPS

KEHUA

Blower System

43

Blower

CHANTONG

44

Inverter For Blower

Schneider/Danfoss

Convection System

45

Air Compressor

INGERSOLL RAND

46

Air Tank

Customized

47

Air Tube

Customized


Specifications for the correct use of tempering furnaces

1. Before heating the heating furnace, the electric furnace wire, main drive, and related components must be checked, and the heating can be performed only after the confirmation. There must be someone watching over the heating process.

2. The process parameters of the tempering unit must be adjusted by the operator according to the process requirements, and it is strictly forbidden for others to adjust them randomly.

3. The size of the glass that needs to be processed in the furnace should be in line with the processing capacity of the tempering unit, and it is strictly forbidden to be too large or too small to avoid damage to the equipment.

4. When adjusting the radian in the production of bending and tempering, people must direct and operate the computer to avoid misoperation and cause personal injury.

5. When lifting the upper wind grille, you must be extra careful to prevent the chain from breaking and damage to people. After the upper wind grille is raised, if you need to enter the wind grille for operation, you must insert the iron pin into the safety hole before entering to ensure safety.

6. When it is necessary to adjust the chain, sprocket, and other similar parts or remove the sundries on the surface, it must be stopped before work. It is strictly forbidden to operate by hand when the above parts are rotated to avoid accidents.

7. After the transmission stops due to sudden power failure, computer crash, etc., the glass in the furnace must be shaken out of the furnace by the hand crank mechanism quickly, and the ceramic roller table should keep rotating when the furnace temperature is above 300 degrees, to avoid causing Roller deformation.

8. During the operation of the equipment, it is necessary to frequently check the operation of the power distribution cabinet, the main drive, the forming section, the upper and lower sections, etc., to discover hidden dangers in time.


Automatic arrangement and connection of front-end of tempering furnace 1Automatic arrangement and connection of front-end of tempering furnace 1

Automatic arrangement and connection of front-end of tempering furnace
Automatic arrangement and connection of front-end of tempering furnace 2

Daily maintenance and maintenance of tempering furnace

1. Clean the surface of the equipment (including the console and the electric control cabinet), especially the photoelectric sensors and the glass of the instrument should be clean and dust-free.

2. Bearing lubrication, tempering furnace main drive bearing, ceramic roller bearing, furnace door bearing, furnace roof lift drive shaft bearing, and furnace roof lift trapezoidal spiral bearing, need regular inspection and refueling. The lubricant used is lithium-based grease. Generally speaking, the lubrication cycle is half a year for ceramic roller bearings, and the other is annual.

3. The daily inspection of each component, and check the work of each moving component (such as air grille, furnace door, valve, etc.) should be flexible and free from sticking.

4. Replacement of parts. Thermocouples, heating elements and other parts should be replaced in time if there is a problem.


Services 

Pre-Sales Service

1. Free inquiry and consulting support.

2. Free sample-making support.

3. Manufacturing process inspection.

4. Free quotation.

5. Troubleshooting. 


After-Sales Service

1. Offering the specifications for the entry-level glass deep-processing machine with 1 years warranty.

2. English software, user manual, and engineer guide.

3. 7/24 technical support by email or call, if you have any problems, we will help you to solve them within 12 hours.

4. During the warranty period, if any part is broken, we will provide it for free.

5. Free remote service and support, if it is necessary, our engineer will come to your country for training.

6. 7 working days to produce the machine, in the meanwhile, we will report the production process in time. 


FAQs 

1. Is it easy to operate for a beginner?

We provide an English manual or live video guide that will show how to set up and use the machine. Whether you are a beginner or an expert, you can quickly learn to operate. If you still have any problems, please contact us directly via calling or mailing. 

2. How to choose the right entry-level glass deep-processing machine?

Yes, to give you a suitable entry-level insulating glass producing machine, please tell me the max working area, materials for processing, and the thickness for the materials to be cut. Then an affordable glass deep-processing machine will be recommended to fit your requirements. 

3. If the glass deep-processing machine have any problem after I ordered it, what could I do?

3.1. Free parts will be sent to you in the warranty period if the machine has any problem.

3.2. Free after-sales service life for the machine, please feel free to contact us if you have any problems.

3.3. We will offer 7/24 free service and support by phone, WhatsApp, skype, and mail. 

4. What about quality control? 

The whole production procedure will be under regular inspection and strict quality control. The complete machine will be tested to make sure it can work very well before being out of the factory. The testing video and pictures will be available before delivery. 

5. What about the MOQ?

Our MOQ is 1 set glass deep-processing machine. We could send the glass deep-processing machine to your country port directly, please tell us your port name. There will be the best shipping freight and machine price for you. 

6. What about the payment terms?

6.1. 30% by T/T in advance, 70% by T/T before shipping.

6.2. L/C is acceptable, if the amount is big, please issue the draft for our confirmation at first. 

7. What about the delivery terms?

We will arrange the delivery on the terms we both agreed upon after the confirmation by the buyer. For standard machines, it would be 7-10 days. For special ordered machines, it would be 15 to 30 days depending on the factory arrangement. 

8. What about the packing?

Waterproof plastic film package with foam protection in each corner. Plywood case package with steel belt. It saves space as much as possible for container loading. 

9. What about the documents after shipment?

After shipment, we will send original documents to you by DHL which include the packing list, commercial invoice, bill of landing, and other certificates as required by clients. 


International Shipping Around the World 

All the glass deep-processing machines can be shipped worldwide by sea, by air, or by international express logistics via DHL, FEDEX, UPS. You are welcome to get a free quotation by filling up the form with your name, email, detailed address, product, and requirements, we will shortly contact you with the full information including the most suitable delivery method (fast, secure, discreet) and freight.

Max. loading area
6000mm*3000mm
Min. glass size
350mm*350mm
Glass thickness range (float)
5 -19mm
Max single glass size
5mm
Recommended transformer capacity
≥1250KVA ( for furnace use around 1070KVA)
Blower control
controlled by inverter, two blowers : 250KW+132KW
Quality standard
ANSI Z97.1-2004
Finished product rate
≥ 98%
Power supplier mode
380V 50HZ 3Phase
In the production process, especially for thicker glass, the glass will burst in the furnace. Once the burst occurs, the main drive must be stopped immediately, the glass should be broadcast to the furnace manually, and then the furnace body should be raised to check whether there is broken glass.
If the main driver of the electric furnace is abnormal in the production process, it is usually the encoder or the chain abnormality. At this time, the glass is also broadcast to the furnace body by the above method.
During the production process of the tempering furnace, if there is a power failure, it should be handled as follows:
(1) Quickly spread the glass to the furnace body. If the glass is recessed on the ceramic roller table, use the template to gently stir it, do not beat it hard.
(2) If the glass cannot be picked out, it must be cooled immediately, and then scraped off with a forced piece or other treatments after cooling down.
In the production process, there will also be some crashes, there are generally two situations:
(1) The type of crash is when the glass has just entered the furnace, and the main drive stops rotating, indicating that the glass is too long.
(2) The heating time is not timed, the processing method: immediately broadcast the glass to the furnace body, cut off the power, and restart the computer.
Generally, it occurs when the heating control board fails, causing the temperature to rise. At this time, it is necessary to turn off the power to open the cone valve and crank the main drive to keep the ceramic roller rotating, and notify the maintenance personnel to check the equipment.
Due to the problem with the air compressor, the rear furnace door cannot be opened. For this reason, you should quickly climb to the furnace top and open the rear furnace door manually to discharge the glass quickly to prevent sticking to the furnace. When time is pressing, you can open the cooling cone valve at the same time. Lift the furnace body, stop the transmission, and manually shake out the glass in the furnace body to confirm that there is no glass in the furnace body and the furnace body can be recovered.