screw and barrel in high-grade nitride steel, screw diameter 25 mm and l/d ratio of 30.

螺桿和機筒材質由高級氮化鋼構成，螺桿直徑25毫米，長徑比30。

the vented version of our 25 mm extruder has been developed with a special screw design, which ensures very good feeding properties without material bleeding out of the vent. the screw designs has been tested and proven with many different polymers such as ld & hd-pe, pp, ps, abs, nylon, pc and pet.

帶排氣型號25毫米擠出機，螺桿經(jīng)過特殊設計，可保證熔體不會經(jīng)排氣口溢出。螺桿經(jīng)過測試適用于ldpe，hdpe，pp，ps，abs，nylon，pc，pet的混煉。

screw with maddock mixing section at 22 d and with pineapple mixing at screw tip. compression ratio 1 to 3. also available with a plain screw, without maddock and pineapple mixing sections. this version is suitable for general polyolefin processing in connection with downstream film blowing, flat film chill roll and other attachments. this screw can also be supplied with hard chroming for processing of pvc screw.

螺桿在22倍直徑長度方向帶maddock混合區(qū)，螺桿頭帶菠蘿形混合區(qū)。壓縮比1：3。適用于通用聚烯烴的混煉，且可方便與下游設備如吹膜設備、流延膜設備連接。鍍鉻螺桿同樣適用pvc混煉。

screw speed infinite variable from 0 to 300 rpm.

螺桿轉速從0到300rpm無級可調。

large oversized 4 kw ac motor drive, coupled directly to a helical bevel gear, which in turn is connected to an individual housing containing the oversized trust bearing for the screw drive. 大型4千瓦交流電機直接同螺旋型錐齒輪連接。

programmable frequency inverter for infinite variable screw speed and high torque even at low screw speeds. digital readout of the screw rpm and motor power (amp) on the control panel. 可編程頻率換流器可確保在低螺桿速度的情況下無級調節(jié)螺桿轉速和高扭矩，螺桿轉速和電機輸出功率可在控制面板上數(shù)顯輸出。

4 heating zones on barrel, all with air-cooling. each zone with multiple rows of copper fins for high cooling efficiency, coupled with oversized cooling fans mounted at the rear of the extruder barrel. large wattage on heaters coupled with the efficient cooling system ensures very fast heating and cooling of each zone.

機筒上有4個加熱區(qū)域，都帶有空氣冷卻裝置；每個區(qū)域含附帶大冷卻風扇的多排銅葉片可獲得高冷卻效果，高功率的加熱模塊同有效的冷卻系統(tǒng)相結合可以確保每個區(qū)域的快速加熱和冷卻。

digital programmable set and readout temperature controllers for all zones coupled to solid-state relays for accurate heat control.

每個加熱區(qū)的數(shù)字可編程溫控同固態(tài)繼電器連接獲得準確的加熱控制。

new quick open c-clamp die flange system for easy changeover of downstream equipment.

 通過可快速拆卸的模頭c型夾具法蘭可輕易地改變下游設備。

full steel cover over the extruder barrel with air venting grid on top.

擠出機機筒蓋板為帶有通風開口的全鋼材質。

modern designed extruder body where all components are fully enclosed.

現(xiàn)代設計的擠出機機體可以將所有部件整合。

all electric components and instruments are mounted in the sub body of the extruder.

所有的電氣部件在擠出機內置。

convenient control panel mounted below extruder barrel in an upward angle for easy viewing. 控制面板以向上的角度安裝在擠出機機筒上，便于操作。

stainless steel hopper with a 3-position safety turret valve for normal open position, closed position and discharge through a slanted pipe in front of the turret valve.

不銹鋼料斗帶有3個位置的下料孔可供正常開啟，另外可輕易地從下料孔前傾斜的管道快速卸料。

extruder body on four adjustable feet with rubber pads for secure positioning on the bench.

擠出機的4個可調支腿帶有橡膠墊確保準確定位。

extended extruder control panel containing following instruments: 擠出機控制面板包括下列部件：

§     6 temperature controllers (4 for extruder barrel and 2 for die adaptor) 6個溫度控制器（擠出機筒4個；模頭2個）。

§     digital screw rpm readout instrument with up/down scroll buttons for precise speed regulation. 螺桿轉速數(shù)字輸出帶有上/下鍵可獲得精確速度調節(jié)。

§     digital readout of motor power in percent of max full load. 電機輸出數(shù)字顯示以輸出的百分比顯示。

§     1 digital pressure indicator 1個數(shù)字式熔體壓力顯示。

§     1 digital readout of melt temperature 1個數(shù)字式熔體溫度顯示。

§     start, stop and mushroom type self-locking emergency push buttons as well as on/off se-lectors switch for electric control circuit. 啟動、停止、急停按鈕。