China Manufactur standard Masterbatch Extruder Making Machine - gravimetric feeder/ volumetric feeder – Xinda Manufacturer and Supplier

Manufactur standard Masterbatch Extruder Making Machine - gravimetric feeder/ volumetric feeder – Xinda

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Manufactur standard Masterbatch Extruder Making Machine - gravimetric feeder/ volumetric feeder – Xinda Detail:

Gravimetric feeder
A gravimetric feeder is a self-calibrating dosing system that doses based on weight in speed.
In gravimetric dosing, the weight of the dosed additive is measured using a load cell that is the foundation of the entire system. Weight is calculated using loss-in-weight technology, which measures the reduced weight while dosing.
In the self-calibrating gravimetric feeder system, the stepper motor automatically alters its speed when a change is detected in the material flow. This eliminates the need for manual adjustment, which is required when using a volumetric feeder. Such a change in material flow can be the result of the addition of new material or fluctuations in the material density, among other factors. This means that, when using a gravimetric feeder to dose, you are in complete control of the quality of your final product. Thanks to the gravimetric feeder’s self-calibrating dosing system, you will never run the risk of overdosing and will therefore automatically save costs when using expensive additives.
Gravimetric feeder
Advantages
Self-adjusting / self-calibrating
100% control over your product quality
Easy to operate
Monitoring and reporting options
Higher saving on expensive additives
Fluctuations in density do not effect outcome
In-sensitive to material build-up
Automatic detection of material supply interruption
Accurate dosing cylinder
Stepper motor speed starting from 0.1 up to 200 rpm
Disadvantages
Relatively more expensive than a volumetric feeder, but short ROI.

Product detail pictures:

Application of the Twin Screw Extruder:

Various plastic inorganic filler, polymer blending (plastic alloy), plastic coloring, ect
Various engineering plastic reinforcement of glass fiber, flame-retartant pellets
Various antibacterial, insulated, toughening materials for specific uses
Light/biology degradable film materials, amylum degradable plastics and multi-functional anti-fog film materials, etc.
Specific material for automobiles and household appliance and cable materials, etc
Themoplastic elastomers, such as TPR, TPE, and SBS, etc
Regenerate pellets for PVC airproof pieces, thermo-soluble glue, etc

Model	PSHJ-20	PSHJ-35	PSHJ-50	PSHJ-65	PSHJ-75	PSHJ-127
Screw Diameter: MM	21.7	35.6	50.5	62.4	71	126
Central Distance	18	30	42	52	60	102
Length Diameter Ratio	28-52	28-52	28-52	28-52	28-52	28-52
Main Motor Power	4-5.5	22-45	75-110	110-185	160-280	90-160
Max.Screw Speed: RPM	600	600	600	600	600	600
Output Torque per Shaft：N.m	32-43	175-358	597-875	875-1472	1273-2228	850-1528
Reference Output: KG/HOUR	5-20	20-80	80-200	150-350	300-600	800-1500

Max.Screw Speed: RPM	800	800	800	800	500
Model	C-PSHJ-35	C-PSHJ-50	C-PSHJ-65	C-PSHJ-75	C-PSHJ-127
Screw Diameter: MM	35.6	50.5	62.4	71	126
Central Distance	30	42	52	60	102
Length Diameter Ratio	28-52	28-52	28-52	28-52	13-18
Main Motor Power	22-45	75-132	110-250	160-355	90-160
Output Torque per Shaft：N.m	131-269	448-788	657-1492	955-2119	850-1528
Reference Output: KG/HOUR	150-300	200-500	400-800	500-100	800-1500