Barwell Rubber Preformer Rubber Preformer Machine

Product Description

36 MONTHS WARRANTY Rubber Precision Preformer with Oversea-Service Rubber Precision Preformer
Application:
Barwell type rubber Precision preformer machine is a kind of high-efficiency and high-precision device for manufacturing rubber blank. It can be used in combination with a wide range of rubber material in extruding rubber blank of mid to high hardness and of intricate shapes such as circle and solid figures. Owing to its high precision volume and low air content, it is capable of producing products ranging from rubber sundries, sealing members, inflating valves, tennis balls and shoe soles.
Main Technical Parameter:

Machine Model	DHY-150	DHY-200	DHY-250	DHY-250A
Barrel Inside Diameter/mm	150	200	250	250
Total Power/kw	16	16	2219	2219
Hydraulic Pump Motor/kw	7.5	7.5	117.5	117.5
Cutting Machine/kw	1.5	1.5	1.5	1.5
Vacuum Motor/kw	0.75	0.75	0.75	0.75
Power for Heating/kw	5	5	8	8
Motor of Hot Water Pump/kw	0.09	0.09	0.09	0.09
Conveyer Belt Motor/kw	0.18	0.18	0.18	0.18
Compressed Air Pressure/MPa	0.55	0.55	0.55	0.55
Max.Compound Extrusion Pressure/MPa	36.8	20.7	17.0	17.0
Maximum Barrel Temperature/	95	95	95	95
Maximum Die Diameter/mm	80	125	190	220
Weight limit of Rubber Blank/g	0.3--100	0.3--200	0.3--2000	0.3--2000
Weight Accuracy of Product/%	±1.5	±1.5	±1.5	±1.5
Maximum Barrel Capacity(SG=1)/Kg	8-10	20-25	60-70	60-70
Cutter Speed (r/min)	35-300 infinite speed regulation	35-300 infinite speed regulation	23-300 infinite speed regulation	23-300 infinite speed regulation
External Dimensions L*W*H/m	4*1.1*1.8	4*1.1*1.8	5*1.1*1.8	5*1.1*1.8
Weight/T	2.9	3	4	4

Description&Advantage
The precision preformer is composed of a ram extruder and a rubber blank cutter attached to the ram head. It is also equipped with hydraulic, vacuum, heating, pneumatic and electrical system. While in operation, the first step is to open the ram head and add the preheated prehensile rubber material into the machine from anterior part of the barrel. After that, the ram head is to be closed to adjust the extruding and cutting speed (volume control chart is provided with the machine). Eventually, after vacuumization and cutting, the rubber blank with precise weight will then be obtained.
1. Extruding device: It is composed of hydraulic cylinder, batching barrel and
ram head.
2. Hydraulic device: This device is selected with high-pressure gear pump and YUKEN flow valve imported from Japan. Hydraulic oil in hydraulic cylinder is controlled by the flow valve and the pressure difference prior to and after throttling is controlled at a constant value so as to ensure the precise weight of the rubber blank extruded. This device is equipped with cooling system driven by 2 sets of hydraulic axletrees which can make reasonable and effective use of energy and control the temperature of the hydraulic oil.
3. Pneumatic device: It is used to open and close the ram head as well as control the movements of other devices, for example, the cylinder.
4. Vacuumizing system: Before extruding and cutting of rubber material, the vacuumization aims at eliminating the air remained inside the barrel and the ram head as well as the gas contained in the rubber material so as to improve the quality of sulfur products to be produced in the following process.
5. Heating system: With the adoption of water circulation heating method, the temperature is controlled and displayed by the digital thermostat which can effectively maintain the constant temperature of the ram head and the barrel.
6. Cutting device: It is composed of frame, electromotor and deceleration system, which can conduct speed transmission via four-speed motor gearbox and frequency conversion motor. In addition, there is also a transmission system installed under the frame.
Packing & Shipment:
About Dahua :
Qingdao Dahua Machinery Co.,Ltd. which was established in 2000 is affiliated to Shandong Rubber Machinery Research Institute.We specialize in scientific research,production and sales of Rubber Machinery.As keeping extensive close cooperation with Qingdao University of science and technology,Shandong University,China University of petroleum,Chinese Academy of Sciences we have made a great contribution to the development of China Rubber Machinery.
The company has experienced technical team,earnestly the grass-roots staff.We have advanced CNC machines and a variety of large and small mechanical processing equipment,heat treatment equipment and sophisticated detection equipment and introduced advanced UG 3D mechanical design software and performance optimization software in 2006. Our design team can design and manufacture non-standard rubber machinery according to customer requirements.
"Quality first, technology innovation" is the company's business principle,our products were rated as "excellent provincial famous brand" ,"free products" and exported to many countries and regions such as United States,Germany,France,Canada,Australia,South America and so on.With excellent quality and good customer service, the products have been well received among domestic and foreign customers!
We sincerely welcome customers all over the world to visit our company or call us to have a business negotiation, hope to make a good faith and win-win cooperation with you and common development hand in hand.
Customer Show:
HOT SALES:
FQA:
Q: Are you manufacturer or trade company?
A: We are really 100% manufacturer.
Q: How many year's experience does your company have?
A: More than 20 years of concentration, we mastered several key technologies.
Q: What product can you supply?
A: Rubber press machine, Vacuum molding press machine, Injection Molding machine, Rubber mixer machine, calender machine, extruder machine and rubber product equipment solvtions.
Q: What are the operating modes of the machine?
A: With manual and semi-automatic operation mode.
Q: What control system does the machine use?
A: We use PLC as the core of control system, we ususlly usee Omron PLC.
Q: How long is the warranty of your machinery?
A: Our warranty is one year.
Q: How long is the delivery time?
A: Usually we need 40-60 days , if ther id inventory , we can finish the modification within one month, but it may take longer if ther are special requiements.

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