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Medical Special Machine

Features
  • HMI Touch Screen, Incorporating with PLC system (Optional Siemens/B&R Control) for easy maintenance.
  • Blowing Unit/ Die Head movement for changing mold easily, as option.
  • Built with safety devices to provide maximum protection for the machine operator.
  • High plasticizing capacity extrusion screw is designed to handle material variations.
  • Plasticizing screw and barrel is precision machined from special nitrogen treated steel.
  • Water cooling technology controls feed zone temperature.
  • Chiller circulated hydraulically controlled blow-pin.
  • When requiring both functions in a single machine, purchase the machine for PVC application and order the additional parts (screw and die head ) for conversion to PE application.
Application
blow molded medical products

blow molded medical products

blow molded medical plastic products

blow molded medical plastic products

Features & Application

Special Extrusion Blow Molding Machine For Medical Plastic Products

  • Double Station
  • Single/Double/Triple/Q.12 Head
  • Vertical Operated Clamping System
  • Production Volume:2ml~3L
  • Multi layers: Co-Extrusion 1-6 Layers
  • Multi cavities: 1~12 cavities
  • Specialize for the PE/PP/PETG/PVC/Nylon/Co-Extrusion material
  • Clamping system: Toggle/3 Tie Bar/4 Tie Bar
  • Driven Model: Hybrid servo motor drive system/ High performance hydraulic power saving system/Close loop proportional valve
  • Optional Parison controller/Auto Deflashing/Auto Recycling/Auto material feeder/Remote trouble shooting funciton/IML(in mold labeling)/full automatic production line/leakage tester
Why this machine is special for medical blastics?

Tanks Designed for Cleanability

Stainless steel sanitary fittings

Sanitary fittings have no threaded surfaces that can trap bacteria.

Medical extruders are accustomed to stringent cleanroom standards and tight-tolerance requirements for producing medical tubing.

Two important requirements are for tanks to be easier and quicker to clean and to stay clean longer.

To that end, almost every surface and component of the JINJUN Super Series Medical Vacuum Tanks are made of stainless steel.

All water contact surfaces are electropolished and have rounded corners, which make the units easier to clean, and more resistant

to the buildup of bacteria and biofilms in the first place. The “tri-clover” fittings and valves, also known as “sanitary fittings,” are stainless steel

as well, and have no threaded surfaces that can trap bacteria, as is common with more conventional designs that are virtually impossible to clean.

“The fittings and valves we use are standard in the various beverage industries, but not for tanks that produce heart and brain catheters?

The vacuum section slides out for easy maintenance.

Quick system flushing and draining to pump the entire system dry is accomplished with the water pump and the addition of a three-way

water valve. According to expert processor, Larry Alpert, “The vacuum section easily pulls out. You can take your heat exchangers out,

you can wipe everything down, you can get at everything, and then you can reassemble it. Basically, it’s a toolless operation to re-flush and

refill and then use the tank. It should cut down the amount of time it takes to service a tank by less than half.”

Precise and Efficient

The JINJUN SUPER Series Medical Vacuum Tanks were designed to meet the critical ovality and concentricity requirements of single- and multi-lumen

microbore tubing. As Bessemer puts it, he and Alpert set out to turn what had been guesswork into science through better process controls, which in turn create

a higher level of process precision and repeatability than has ever been possible before. Some of the ways they accomplished that objective include:

Digital closed-loop vacuum control – Controlling vacuum level is key to holding tight tube diameter tolerances demanded by the medical industry.

The tanks use a vacuum transducer with double the resolution of previous units. It can control the vacuum within +/- 0.01 inches of water instead of 0.1

inches with previous units.

Servo linear actuator to control the “hot gap” – The distance between the extruder die and the entrance to the water or vacuum tank can be a critical

quality factor—particularly in microbore tubing—and is typically considered a process validation point in the medical industry. To create more precise and

repeatable control of the gap, Novatec replaced the old handwheel positioning device with a linear actuator that is accurate to a few thousandths of an inch.

It allows an operator to back off the tank 6 inches to string up a new job and then precisely set or reset the gap at the touch of a button.

Standard medical-grade filtration – Sterile applications such as heart or brain catheter tubing place stringent demands on the tank filtration system.

The Novatec tanks use a two-phase system with a UV filter to kill bacteria and then a membrane filter as small as 0.5 microns to remove pyrogens.

Water circulation system –The unique system minimizes water cavitation, which creates micro-water bubbles that can cause tubing surface imperfections

and ultrasonic gauging issues. Bessemer’s design places the water pump below the reservoirs to make it self-priming, which dramatically reduces cavitation issues

from that source. Moreover, it uses an AC inverter to drive the pump motor for precise RPM control. Besides being able to fine-tune pump pressure for different

vacuum levels, it also allows the processor to set a lower nighttime circulation rate to save energy and further minimize stagnation.

Application: medical blow molding machine
Parameters
PARAMETERS UNIT DKB-2.5LD DKB-5LD DKB-8LD DKB-10LD
Screw Diameter mm 65 70 80 80
Screw L/D Ratio L/D 24:1 26:1 28:1 28:1
Extrusion motor KW 22 30 45 45
Oil pressure motor KW 11 15 23 23
Screw rotate speed R.P.M 10-75 10-75 10-70 10-70
Screw heating zone Parts 6 6 10 5
Heating power KW 18 20 30 30
Parison motor option KW 3.75 3.75
Extruding Capacity HDPE kg/h Approx.70-75 Approx.85-90 Approx.110-120 Approx.110-120
Mold Center Distance mm 60/80/90/120/130 80/120/130/150/180/220 80/120/130/150/180/220
platen distance mm 180-450 180-550 180-550 240-700
mold movement stroke mm 380 490 600 700
Length range of mould mm 100-320 150-380 150-420 180-550
Width range of mould mm 100-350 150-450 200-570 200-580
Thickness range of mould mm 150-180 180-250 150-300 200-350
Dry Circle time s 3.7 3.7 5 5
Mold-locked pressure Ton 7 9 15 15
Oil tank Volume L 200 200 300 300
Air Pressure kg/cm2 6-8 6-8 6-8 6-8
Air Volume m3/min 0.6 0.8 0.9-1.2 0.9-1.2
Cooling water pressure mpa 0.3-0.5 0.3-0.5 0.3-0.5 0.3-0.5
Cooling water consumption L/min 50 60 60-80 60-70
Min./Max. diameter of product mm 30-200 40-300 30-400 100-600
Weight of product g 20-150 30-300 30-300 100-500
Volume of product L 0.05-2 0.1-6 0.5-6 5-10
Total power consumption kw 54 65 100 101.75
Average power consumption kw Approx.21-30 Approx.25-38 Approx.50-60 Approx.40-60
Net weight of machine ton 6.5 9 15 16
Gross weight of Machine ton 6.7 9.2 15.5 16.5
Machine dimension (L*W*H) m3 3.8*1.9*2.5 4.1*2.3*2.9 4.5*5.5*2.9 5.1*3.5*3.3

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