TMAXCN Brand Extrusion Coating Machine Slot Die Coater for Lithium Battery Making

• Customization: Available
• Automation: Automation
• After-sales Service: 1 Year
• Model NO.: TMAX-HJSC1000ZZ-40ZQ
• Coating Back Roller (Metal Roller): Diameter 295
• Guide Roller (Metal Roller): Diameter 110
• Traction Roller (Metal Roller): Diameter 200
• Pressure Roller (Rubber Roller): Diameter 135
• Transmission Type: Flexible
• Automatic Production Line: Comprehensive
• Certification: ISO, CE
• Flexible Production: Intelligent Manufacturing
• Warranty: 1 Year
• Transport Package: Wood Packing
• Trademark: TMAX
• Origin: China

Product Description

Extrusion Coating Machine Slot Die Coater For Lithium Battery Making

 

1. Equipment Overview

1.1  Device Functions

The HJSC1000ZZ series coating machine is a new type of high-precision, reliable, and stable double-layer extrusion coating machine that our company needs to develop for power lithium batteries. The equipment features: high precision extrusion die head is selected, high precision displacement sensor and servo closed-loop control are adopted for die head, high precision Screw pump is selected, and medium is transported accurately and quantitatively; The oven adopts electric heating/steam heating, active roller+upper and lower blowing air suspension method; The coating machine uses an Omron PLC control system, which can achieve precise control according to process requirements; Digital control of polar tension, constant tension unwinding, constant tension coating, drying, taper tension winding; The system parameters are centrally controlled, and the human-machine interface adopts touch screen mode and hierarchical control. The process parameters can be locked, stored, and called.

 

1.2  Running process

 

1.3  Population parameter

(1) Roll surface width: 1000mm

(2) Coating width: Max.800mm

(3) Mechanical speed: Max.60m/min

(4) Coating speed: Max.40m/min

(5) Rewind speed: 5-15m/min (rewinding without correction function)

(6) Running direction: forward coating, empty strip, reverse rewinding, etc

(7) Electrical installed power: positive electrode 370kW, negative electrode 350kW (actual power is 50-70% of installed power)

(8) Equipment size: approximately L64 × W6.0 × H4.9m (excluding total inlet and outlet air ducts)

(9) Overall appearance: RAL7035 light gray, oven stainless steel natural color, guardrail in warning yellow

The actual coating speed depends on the slurry system, slurry parameters, coating parameters, drying conditions, and product quality requirements The relevant three-phase asynchronous motors on the equipment adopt secondary energy efficiency.

 

1.4  Equipment structure diagram (for reference only)

Figure 1 Schematic diagram of the coating machine structure (for reference only, subject to the actual model)

 

2.Equipment composition

No.	Unit name	Quantity	Notes
1	Automatic unwinding unit	1 set	The unwinding diameter is Max.800mm, with a turret mechanism and an inflatable clamp for unwinding; EPC correction
2	Extrusion coating unit	2 sets	Equipped with high-precision extrusion die head, capable of online flipping and cleaning
3	40m double layer steam heating and drying system	1 set	40 meter oven (5m/section × 8 sections above and below), steam heating, fully through roller oven, with a total length of about 41m
4	Traction unit	2 sets	Rubber pressure roller, low friction cylinder tension control, EPC deviation correction
5	Automatic winding unit	1 set	Winding diameter Max.800mm; Rotary tower mechanism, air expansion shaft winding; EPC correction
6	Walkway system	1 set	(1) The columns and frames are made of carbon steel material; (2) The stair treads and platform panels are made of SUS201 stainless steel patterned plates, and the guardrails are painted with carbon steel paint - yellow; (3) One staircase entrance on side A and one staircase entrance on side B; (4) The guardrail is welded and then fixed by bolts and platforms
7	Two sided furnace climbing guide roller system	1 set
8	Two sided discharge electrode plate guide roller system	1 set	Including 1 set of travel correction and several guide rollers
9	Coating and feeding system (including mixing drum, pump, filter valves, etc.)	2 sets	Precision Screw pump; 100L single-layer slurry barrel, motor stirring
10	Electronic control system	1 set	Omron PLC system
11	NMP concentration detector	8 sets	Positive electrode coating machine configuration
12	Edge ceramic coating feeding system	2 sets	Positive electrode coating machine configuration, designed according to four layers of adhesive coating
13	Double rack type β- Ray surface density detector (longitudinal closed-loop control with Screw pump)	1 set	Configure two sets of display screens, each installed at the coating area of the machine head and tail, to monitor the density of the opposite side
14	CCD alignment detection system (brand: OPT)	2 sets	Installed separately at the heads of the first and second coating machines, with a configuration of 8K high

 

3    Installation requirements

 

4    Equipment adaptation parameters

4.1  Substrate parameters

 

 

Project	Positive electrode	Negative electrode
Base material	Aluminum foil	Copper foil
Width (mm)	400-800	400-800
Thickness (µ m)	6-20  (Acceptance using 9um and above foil material)	4-15 (acceptance using 6 μm and above foil material)
Outer diameter (mm)	Max.800	Max.800
Weight (kg)	Max. 1500	Max. 1500

 

 

4.2  Slurry parameters

 

Project	Positive electrode	Negative electrode
Solute	Lithium Iron Phosphate	Graphite
Solvent	NMP	DI-water
Solid content	50-85%	45-60%
Proportion	1.5-3.0	1.0-2.0
Binder	PVDF	SBR
Viscosity (mPa. s, 25C)	5,000-20,000	1,500-8,000
Temperature (ºC)	20-28	20-28

 

4.3  Coating parameters

 

Project	Positive electrode	Negative electrode
Single sided wet thickness (µ m)	80-280	60-200
Single sided dry thickness (µ m)	50- 150	50- 150
Single sided dry film weight range (g/m2)	80~220	50~150
Coating width (mm)	Max.800	Max.800

 

5    Coating process parameters

5.1  Gap coating diagram

(1) As shown in Figure 1, if the coating length on side A is different from that on side B, the longer side of the coating (side A) needs to be used as the first coating.   

 

(2)If the starting position of the coating on side B is lower than the starting position of the coating on side A, the length of the coating on side B cannot exceed that of the coating on side A.

(3)In principle, the starting position of coating on side A and side B should be consistent (see Example 1).

 

5.2  Gap coating accuracy

Project	Mark	Standard (coating speed ≤ 30m/min)
	A (trailing)	≤ 1mm (related to slurry properties)
	B (abnormal head area)	≤ 5mm (related to slurry properties)
	C (tail abnormal area)	≤ 5mm (related to slurry properties)
	D (Edge effects area)	≤ 5mm (related to slurry properties)
	E (length error)	≤±0.5mm
	F (width error)	≤±0.5mm
	M (width error)	≤±0.5mm
	G1 (thickness error of one side of the head)	- 10~5um  (Related to the characteristics of the slurry)
	G2 (Thickness error on one side of the tail)	- 10~5um  (Related to the characteristics of the slurry)
	H  (Blank error)	≤±0.5mm
	I  (Front and back longitudinal position error)	≤±0.5mm
	K  (Lateral position error of front and back sides)	≤±0.5mm
	J Single sided density accuracy (excluding areas B, C, and D)	≤±1.5%
	Double sided density accuracy (excluding areas B, C, and D)	≤±1.2%
Coating/Intermittent length	L1 (film length)	50~20,000mm
	L2 (intermittent length)	6~500mm
	L1+L2 (coating+gap length)	L1 +L2 ≥60mm

*The minimum coating length and minimum coating gap depend on the coating speed, with a 10mm gap corresponding to a coating speed of 20-25m/min.
*The contact angle between the slurry and the substrate should be less than 40 degrees.

*The viscosity change of the slurry per hour is ≤ 300cps.

 

5.3 Continuous coating accuracy

 

 

6    Equipment specifications and parameters

6.1  Roller parameters and accuracy

(1)Roller specifications and accuracy

Specifications	Roller Diamter	Surface treatment	Runout(mm)	Surface roughness	Material
Coating back roller (metal roller)	φ295	Hard chromium plating ≥ 200 μ M	0.001	Ra0.2	40Cr
Guide roller (metal roller)	φ110	Hard oxidation	0.02	Ra0.4	Al
Traction roller (metal roller)	φ200	Hard chromium plating ≥ 100 μ M	0.005	Ra0.4	S45C
Pressure roller (rubber roller)	φ135	Wrapped EPDM rubber	0.1	---	Al or SS400

 

(2)Roll assembly accuracy

Specification item	Parallelism(mm)
Between metal rollers (outside the oven)	0.05
Between metal rolls and metal rolls (inside the oven)	0.1
Between metal roller and rubber roller	0.2

       

Specification item	Levelness (mm/m)
Metal roller (outside the oven)	0.05
Metal roller (inside the oven)	0.1
Rubber roller	0.2

   

6.2  Automatic unwinding unit

No.	Project	Technical parameter	Notes
1	clamping system	Inflation clamp tightening
2	Roll changing method	Rotary tower automatic roll changing, automatic cutting, tape splicing	Glue pressing roller overlapping and gluing
3	Unwinding diameter	Max Ф 800mm
4	Inflation clamp	6 inches, with a load-bearing capacity of Max.1500Kg	The expansion sleeve of the inflation clamp adopts special wear-resistant rubber
5	Unwinding drive	Servo motor+precision reducer
6	Material barrel	6 inches, length 1100 ± 5mm	Material: ABS or stainless steel
7	Rotating tower device	Rotating tower speed 1r/min	The turret drive adopts a motor+precision return

		Flip positioning accuracy: height error H ± 5mm	Drive by rotary reducer, achieve high-precision position control through servo encoder
8	Center height of the turret	1500mm
9	Tension control system	Low friction cylinder+proportional valve control tension, tension sensor feedback adjustment range of 40-300N, tension fluctuation of ± 1% FS	Constant tension control
10	Deviation correction method	Automatic EPC control, stroke ± 50mm, using ultrasonic sensor, gradual speed regulation and deviation correction, accuracy ± 0.1mm	Adaptable transparent substrate guide tape
11	Knife swinging arm mechanism	1) Sawtooth cutting blade, with a cutting life of ≥ 5000 times; 2) There is a pneumatic protective cover in front of the cutting knife, which can be covered when not working to prevent scratching personnel
12	Loading method	AGV
13	Roll diameter measurement	Ultrasonic testing, alarm according to the set coil diameter
14	Takeover platform	1) Adopting double pressure rods, but manually connecting the platform in the form of scratch grooves; 2) There is a rubber strip at the bottom of the pressure rod to avoid direct contact between the metal and the surface of the electrode plate	Bottom configuration dust collection box
15	Running direction	Up or down, only downward when automatically changing rolls
16	Belt routing method	Forward traction, coating, reverse rewinding
17	Polar iron removal	Two sides of the substrate are equipped with magnetic rods, with magnetism ≥ 10000GS
18	control system	1) Set up functional operation buttons and touch screens in the unwinding section. 2) Ultrasonic sensors monitor the coil diameter and have the function of calculating the coil diameter and reminding of material shortage	Can display coating length and machine head control information
19	Safety devices	1) There is guardrail+Light curtain at the turret; 2) Pull rope switch plays an emergency stop role; 3) When there is an opposing switch under the inflation clamp and there is no AGV or hydraulic trolley, the inflation clamp is not allowed to retract

 

6.3  Coating unit

 

No.	Project	technical parameter	Notes
1	Installation structure method	Thickness 60 mm+overall vertical plate structure, wall panels plated with hard chromium
2	Coating method	A/B series type, continuous coating/gap coating/stripe coating
3	Coating roller (steel roller)	¢295mm, surface plated with hard chromium, circular runout: ≤ 1.0 µ m (micrometer detection), power: DDR motor (Colmorgan)	Surface finish Ra0.2
4	Pinch roller device	Diameter: ¢135mm, material: SS400+EPDM, Shore hardness ≥ 75 degrees; Double cylinder compression, eccentric wheel adjustment for left and right compression force
5	Extrusion head	1. High precision extrusion head (2 sets/line), adjustable lip; 2. The coating width is Max.800mm, and the coating width can be adjusted by replacing the gasket; 3. The mold head is equipped with an online flipping mechanism, which can be used for online flipping and cleaning of the mold head	Parallelism between extrusion die head and coated steel roller ≤ 5 μ m. Lip straightness ≤ 3 μ  m. Flatness ≤ 3 μ m. Attached inspection report
6	Spacer	4 pieces/set, thickness error accuracy ± 2 μm
7	Disposal of leftover materials	Funnel plate for installing leftover materials at the bottom of the mold head
8	Extrusion head base	A: Die base forward and backward drive: 1. Large stroke moving cylinder drive (cylinder with protective cover to prevent slurry pollution); 2. Gap fine adjustment: servo motor action, high-precision displacement sensor measurement, resolution 0.1 μm. Repetitive positioning accuracy ≤ 0.3 μm. Feed time ≤ 10s;	There is an anti-collision design between the extrusion head and the steel roller; The operation screen page displays the set value and actual value
9	Feed pump	High precision metering feed pump	Japanese War God
10	Turnover bucket	(1) Volume: 100L, made of stainless steel 304, with polished inner and outer surfaces, in a single layer; (2) Equipped with a corrosion-resistant liquid level probe, with 4-speed display (highest, high, low, lowest). When the liquid level of the coating material tank is lower than the lower limit liquid level, the automatic feeding is turned on. If the liquid level does not exceed the lower limit after a few minutes (set on site), the equipment will automatically alarm; (3) Electric stirring, adjustable speed; (4) With visualization window	The slurry bucket is equipped with a visualization window, and the feeding port is anti splashing to prevent the generation of bubbles
11	Filter iron removal	Two stage metal filter+10000GS iron remover - filter the feeding (100 mesh filter element) and Screw pump outlet (150 mesh filter element) of the container
12	Scraping and hole detection	After the coating roller, a light curtain is installed to detect holes caused by scraping of the electrode strip, and timely alarm is given, with manual judgment of whether to stop the machine for processing
13	Adhesive tape level detection	Configure a color code sensor for tape level detection before entering the coating process, and achieve linkage with the coating system to achieve skip coating of the tape level
14	Coating valve	Gap coating valve group
15	Pressure monitoring unit	Pressure inside the extrusion head chamber and pump outlet (pressure Poor), reflux pressure monitoring, accuracy ≤ 0.001MPa, corrosion-resistant pressure sensor software adds filter replacement reminder function (pressure setting)	Set aside corresponding analog output interfaces for computer collection of pressure data
16	Tension control system	Digital tension adjustment mode/five segment tension control, touch screen setting and monitoring of tension value
17	Die head lateral fine adjustment mechanism	Driven by a servo motor and a screw, it can be closed-loop controlled with a CCD size detection system to ensure alignment of the AB surface

 

6.4  Edge ceramic coating system

No.	Project	Technical parameter
1	Type	The Screw pump is used for centralized feeding. The dispensing method is to set a special ceramic feed hole on the die head and make a ceramic flow channel on the gasket; Screw pump brand: Nippon Bingshen, 2NBL10F
2	30L slurry bucket	Made of stainless steel 304 with polished inner and outer surfaces; Volume 30L, single layer; Motor stirring, adjustable speed
3	Thickness control	Control by adjusting the opening of the throttle valve
4	Filter	Metal straight through/Y-shaped filter with 100 mesh core
5	Feed pipeline	Stainless steel SUS304 pipe+Te flon pipe

 

6.5  Oven unit

 

No.	Project	Technical Parameter	Notes
1	Type	Full main transmission, 5 meters per section, with a total of 40 meters for both the upper and lower parts; 0.5 meters each for the front and rear negative pressure chambers	The total length of the oven is approximately 41m above and below each
2	Material quality	Inner liner SUS304 stainless steel; SUS201 stainless steel outer liner; Stainless steel double-layer insulation air duct
3	Main transmission type	Three phase motor frequency conversion control is adopted, and guide rollers are horizontally distributed; The surface of the guide roller is plated with hard chromium, with a diameter of ¢ 110mm	The internal bearings of the oven adopt high-temperature resistant bearings
4	Air nozzle height adjustment	The overall lifting adjustment of the air chamber, with an adjustment amount of ± 20mm
5	Observation window and access door	1) Each section of the oven is equipped with 3 visual observation windows 2) Reserved maintenance and cleaning door on the transmission side of the oven
6	Heating method	Steam heating, steam pressure ≥ 0.7MPa
7	Oven temperature	50~140ºC
8	Oven temperature control	(1) Independent PID adjustment for each section of the oven; (3) Normal working temperature control, overtemperature monitoring alarm protection control, when overtemperature occurs, an audible and visual alarm will appear, and the steam source will be cut off
9	Temperature control accuracy	Display accuracy: ± 1 ºC (difference in indicated value of temperature control meter);Control accuracy: ≤ ± 3 ºC (excluding the first and last sections)
10	Surface temperature of the box during operation	The external temperature of the oven is ≤ room temperature+20 ºC (process temperature ≤ 135 ºC)	Excluding door joints, flange joints, glass windows, and the connection between two ovens
11	Diaphragm blowing method	Up and down blowing, explosion-proof variable frequency motor for air supply; Common heating element for upper and lower air chambers
12	Air volume control	1) Circulating air volume, equipped with 1 circulating fan per section; 2) Adjust the frequency converter to control the air flow according to the process, and set the frequency conversion parameters on the touch screen; 3) Each section of the upper and lower air chambers is adjusted through mechanical valves and independently controlled; 4) The fresh air volume is adjusted by mechanical valves for each section and controlled independently; Fresh air is uniformly supplied by the factory; 5) The exhaust air volume is adjusted by mechanical valves for each section and controlled independently;
13	Pressure monitoring	Equipped with 4 sets of mechanical pressure gauges inside and outside the oven, air nozzles, and before and after filters
14	Fan	1) Circulating fan - power: 11kW; Air volume: Max.11000m3/h; Total pressure: Max.1200Pa 2) Inlet and exhaust fans - configured according to Party A's process and layout	The contact between the fan and the hot air is made of stainless steel material
15	Exhaust air volume	According to the LFP system, with a single surface density of 200g/m2, a coating width of Max.800mm, a coating speed of Max.40m/min, and a solid content of 55%+, the exhaust air volume of the positive electrode machine is approximately 60000~70000 meters ³/ H (130 ºC working condition); If the negative electrode has a single surface density of 100g/m2, a coating width of Max.800mm, a coating speed of Max.40m/min, and a solid content of 50%+, the exhaust air volume of the entire water system negative electrode is about 40000~50000m ³ / H (110 ºC working condition)
16	Hot air filtration	Configure initial efficiency filter before air intake
17	Explosion proof port	Each oven is equipped with explosion-proof ports
18	Linkage between positive electrode and NMP recovery system	(1) The manufacturer of the NMP recycling system connects the relevant cables and signal wires to the reserved interface of the coating machine, and sends the relevant operating signals and system abnormal signals (shutdown, fault alarm, shutdown) to the coating machine; (2) The coating machine integrates the common functions of the NMP recycling system (start stop, air volume adjustment, etc.) into the touch screen of the coating machine head, and abnormal signals of the NMP recycling system can be displayed on the touch screen of the coating machine; (3) When the NMP recycling system fails to start due to a malfunction, the coating machine prompts: The NMP recycling system is malfunctioning and cannot start the coating machine, and outputs a signal to the NMP recycling system; (4) The coating machine can only be produced and operated when the NMP recycling system is running normally. When the system is abnormal, the coating machine cannot be produced and operated.
19	Oven NMP concentration monitoring	Positive pole configuration NMP concentration detector-- A. When the concentration exceeds 25%, the equipment will give an audible and visual alarm; B. When the concentration exceeds 50%, the equipment stops running and coating, the circulating fan continues to operate, and the exhaust fan automatically operates at its maximum frequency
20	Drive Motor	A. Circulating fan: three-phase asynchronous motor........... 16 units B. Roller drive: three-phase asynchronous motor ............... 16 units

 

6.6  Traction unit

No.	Project	Technical parameter
1	Installation structure method	Overall vertical plate installation
2	Traction tension control system	1) Cylinder+proportional valve control tension, tension sensor feedback 2) The adjustable tension range is 40-300N, and the tension fluctuation is ≤ ± 2% FS (during normal operation)
3	Tension partition	Composition of traction roller and pinch roller
4	Traction roller	Diameter Ø 200mm, surface plated with hard chromium
5	Pinch roller	Diameter Ø 135mm, surface coated with EPDM adhesive
6	Travel correction	1. Adopting EPC control, equipped with anti roll edge pressing roller and arc flattening roller at the outlet of the oven 2. EPC control, stroke ± 50mm, using ultrasonic sensor, gradual speed regulation and deviation correction, accuracy ± 0.1mm
7	Traction roller drive	Servo motor+precision reducer
8	Pole flattening mechanism	Flattening of electrode plates using curved rollers

 

6.7  Automatic winding unit

No.	Project	technical parameter	Notes
1	Clamping system	Inflation clamp tightening
2	Roll changing method	Rotary tower automatic roll changing, automatic cutting, tape splicing	Glue pressing roller overlapping and gluing
3	Reel diameter	Max Ф 800mm
4	Inflation clamp	6 inches, with a load-bearing capacity of Max.1500Kg	The expansion sleeve of the inflation clamp adopts special wear-resistant rubber
5	Winding drive	Servo motor+precision reducer
6	Material barrel	Inner diameter 6 inches, length 1100 ± 5mm	Material: ABS or stainless steel
7	Rotating tower device	Rotating tower speed 1r/min Flip positioning accuracy: height error H ± 5mm	The turret drive is driven by a motor and a precision rotary reducer, and high-precision position control is achieved through servo encoder
8	Center height of the turret	1500mm
9	Tension control system	Low friction cylinder+proportional valve control tension, tension sensor feedback adjustment range of 40-300N, tension fluctuation of ± 1% FS	Taper tension control, adjustable from 0 to 80%
10	Deviation correction method	EPC control, stroke ± 50mm, using ultrasonic sensor, gradual speed regulation and deviation correction, accuracy ± 0.1mm	Adaptable transparent substrate guide tape
11	Knife swinging arm mechanism	1) Sawtooth cutting blade, with a cutting life of ≥ 5000 times; 2) There is a pneumatic protective cover in front of the cutting knife, which can be covered when not working to prevent scratching personnel
12	Discharge method	AGV
13	Roll diameter measurement	Ultrasonic testing, alarm according to the set coil diameter
14	Manual tape receiving platform	1. Adopt double pressure rods, but manually connect the tape platform in the form of scratch grooves; 2. There is a rubber strip at the bottom of the pressure rod to avoid direct contact between the metal and the surface of the electrode plate
15	Running direction	Up or down, only downward when automatically changing rolls
16	Winding alignment	≤±1.0mm
17	Polar iron removal	Two sides of the substrate are equipped with magnetic rods, with magnetism ≥ 10000GS
18	control system	1) Set up functional operation buttons and touch screens in the winding section. 2) Ultrasonic sensors monitor the diameter of the coil and have the function of calculating the diameter and reminding the completion of winding	Can display coating length and machine head control information
19	Safety devices	1) There is guardrail+Light curtain at the turret; 2) Pull rope switch plays an emergency stop role; 3) When there is an opposing switch under the inflation clamp and there is no AGV or hydraulic trolley, the inflation clamp is not allowed to retract

 

6.8  Electrical control system

(1) Main control system: touch screen, PLC, bus control, servo system, pressure monitoring system

(2) Wiring method: Bussed distribution, strong and weak current slot layout

(3) Electric control cabinet layout: independent dustproof cabinet, high and low voltage cabinet with separate box design

(4) Electric control method: decentralized layout, centralized control, high reliability, space saving, and easy maintenance

(5) Operation mode: manual, automatic, emergency stop; The main control system is located on the touch screen of the machine head; The tail can also be operated for general operations such as shutdown, belt running, emergency stop, etc

(6) Coating setting: continuous coating/gap coating

(7) Operating condition setting and data collection: coating line speed, tension control, coating setting, fan frequency, and temperature setting can be set, displayed, and recorded through the touch screen; Can store 20 sets of process parameters

(8) Status monitoring: Five stage tension monitoring, belt breakage monitoring, deviation correction, temperature monitoring

(9) Counting function: Measure the coating length in meters, with a display accuracy of 1mm

(10) Safety protection function: mechanical and electrical interlocking, self-locking function, induction protection function

Can; Alarm bells in each area before equipment startup; Set up safety warning signs for hazardous areas such as movement, compression, cutting off, and heat sources; Protective cover for transmission and moving parts; Oven over temperature alarm and power outage protection function

(11) Alarm situation: When the equipment malfunctions or starts, the three color alarm light on the machine head

Warning; There is a dedicated alarm buzzer for winding and unwinding; The touch screen will display the corresponding correction screen; Alarm information storage and historical alarm information viewing

(12) Control management: password hierarchical control, process parameters can be locked; Password is required for setting and maintaining device parameters

 

7    Configuration List

7.1  Main configuration

No.	Name	Brand	Brand location
1	PLC	OMRON	Japan
2	servo motor	OMRON/Huichuan/Panasonic/Yaskawa/Kesu	Japan/China
3	Turret motor	OMRON	Japan
4	Direct drive servo motor	Cole Morgan	United States
5	Reducer	Xinbao/Xinliying/Dixoco	Japan/China
6	Head linear guide rail	THK	Japan
7	Head ball screw	THK	Japan
8	bearing	NSK/FA G/ASAHI	Japan/Germany
9	cylinder	SMC/CKD/Airtac	Japan/China
10	Intermittent valve solenoid valve	Fes to	Germany
11	Deviation correction control system	Kaiduo or equivalent brand	Germany
12	Tension control system	Boxin or equivalent brand	China
13	touch screen	Kunlun coherent state	China
14	Fiber optic sensor	KEYENCE	Japan
15	Liquid level sensor	Kerui or equivalent brand	Switzerland
16	Color code sensor	Keyence	Japan
17	Slurry pressure sensor	Germany BD	Germany
18	relay	Schnei der or equivalent brand	Japan
19	Air switch	Schnei der/Chint	France/China
20	inverter	INVETON or equivalent brand	China
21	Temperature controller	OMRON/Yangming	Japan/China
22	Centrifugal fan	Aozhong or equivalent brand	China
23	Steam regulating valve	Azbil	Japan
24	Drain valve	Spirsax or equivalent brand	Britain
25	Shut-off valve	Domestic high-quality	China
26	Coating roller	domestic	China
27	Coating head	Mitsubishi/Panasonic/Domestic high-quality	Japan/China
28	NMP concentration detector	Li Yan/or equivalent brand	Japan
29	Surface density detector	Dacheng/Shuangyuan/Ruiqi/or equivalent brand	China
30	CCD detection system	OPT	China