Φ70×25D Core

1)Power:30KWVariable frequency motor(Xianfeng Wuxi)+inverter

2)Reducing gear box(173 type): Gear box used of the grinding gear (copy italian type)

3)Gear lubrication: Oil feed forcibly by gear;

A.Four-box-shape casting forming and annealing treatment, material HT200-300

B.Gear tooth surface to deal with high-frequency hardening, grinding teeth after processing, noise index lower than 75 decibels

4)BM Screw: (To ensure uniform plastic coating materials, dense)

A.Diameter:Φ70,suitable for extrusion the PVC.PE.PP;

B.Length-diameter ratio:25:1;

C.Rev:10-110RPM;

D.Material: 38CrMoAIA nitride treatment; (Nitride depth:0.6)  

E.Screw roughness:0.8

5)Lo-cylinder:

A.Material: 38CrMoAIA, nitrogen treatment; (Nitride depth:0.6)

B.Surface treatment: Nitrogen treatment;

C.Hardness: HRC60-63 degrees;

D.Temperature sensing point: 4 position

E.Cooling:4 high-pressure centrifugal windmills(power:250w,Jiangsu Jiangnan), 1 Lo-cylinder each segment, blanking segment water cooling,

F.The joint which connect Lo-cylinder with the deceleration gearbox have special slot cooling design, and thus greatly increase the life of the screw and gear box .

G.Screw roughness:0.8

6)Chuck

A.Type: Bilateral thread clamping, automatically centering, by external cast aluminum heating piece heating;

B.Locking direction for anti-clockwise;

C.Chuck's operation is very convenient, and the wear-resistant, and greatly enhance conventional screw-connected, difficult to wear rubber drain.

D.With high-speed positive and negative wrench, easy to operate.

E.Chuck's locking developed on the basis of home's and abroad's similar structure to develop, according to the requirements of customers.

7)Electric heating

A.service voltage: 380V/50Hz;

B.Lo-cylinder: 4electric, cast aluminum 20KW;

C.Electric heating Control: 0-399°,±1°;Japan PKC thermometer + relay control;

8)Suction feed machine: It mainly by the vacuum suction feed device, drying device, direct-loading device consists of three parts.

A.One-time feeding: 50Kg (Taiwan SHINI)

B.Suction feed: SAL-330 (Taiwan SHINI)

Auto vacuum suction feed, when the material has not yet fully used up, this device automatically suction feed, hopper within filter device;

C.Drying: To adopt hot air automatic drying, the temperature can be set

9)Crosshead:Manual centering crosshead(1 group),two crosshead temperature controlled ,for a crosshead and for a die

10)Crosshead using imported heat-resistant alloy steel production of anti-corrosion, oxidation, the surface of chrome-plated hardware.