film blowing attachment type lf-400 equipped as following:

吹膜附屬裝置lf-400型

¨       large 2,3 meter high film tower with twin pillars of rigid extruded aluminium profiles. sub cabinet of modern pleasing design, which incorporates the control cabinet as well as the blower for the cooling ring. whole assembly is fitted with four heavy-duty casters where two casters are equipped with brakes. 帶有硬鋁型材雙柱的2.3米號的薄膜引取塔，控制柜設(shè)計精巧，集成了控制箱和冷卻環(huán)的吹氣裝置。整個系統(tǒng)安裝在四個承重腳輪上，其中兩個帶有剎車裝置。

¨       roll width 400 mm that can accommodate film lay flat widths of up to 300 mm. 輥寬度400毫米可以容納薄膜寬度為300毫米。

¨       pneumatically operated film nip rolls with controls on sub cabinet. 氣動薄膜夾緊輥。

¨       s-type adaptor for extruder allows for lower position of film die. the die is mounted on the two aluminium pillars, adjustable in height to fit extruder flange. 擠出機s-型適配器允許模頭較低安裝位置。模頭安裝在兩個鋁梁上，高度可根據(jù)擠出機法蘭的高度進行調(diào)整。

¨       film die diameter as standard 50 mm giving a blown film diameter of around 150mm. removable die lip assembly for easy changeover to other diameters. 薄膜模頭直徑為標(biāo)準(zhǔn)50mm可吹制150mm直徑薄膜，模唇單元易于拆除更換其他直徑模塊。

¨       film die where the mandrel is equipped with spider fed spiral flow channels for uniform distribution of polymer melt around entire die area. all internal die parts are hard chromed with high polish. easy adjustable die opening for accurate film thickness control. 模頭心軸處安裝了蛛網(wǎng)供料螺旋導(dǎo)流槽使聚合物熔體在整個模頭區(qū)域得到均勻一致的分布，所有的模頭內(nèi)部部件均鍍硬鉻并高度拋光；易于調(diào)整的模頭開口容易獲得準(zhǔn)確的薄膜厚度控制。

¨       two digital self-tuning temperature controllers, one for film die and the other for the flange for the extruder. the controllers are mounted on the sub cabinet to the film tower. 兩個數(shù)字式自旋轉(zhuǎn)溫度控制器，一個用于薄膜模頭另一個用于擠出機法蘭�？刂破靼惭b在吹膜塔的控制柜中。

¨       large twin channel cooling ring for optimum cooling efficiency. the upper channel is equipped with adjustable airflow lips. air supplied from a 1 hp turbo blower. 大型雙通道冷卻環(huán)可獲得*佳冷卻效果，上通道配置了可調(diào)氣流噴嘴。壓縮空氣由hp渦輪空壓機提供。

¨       film bubble stabilizing rods as well as synchronous adjustable film collapsing gates with polished teak wood gate rods. 薄膜吹泡穩(wěn)定棒，以及帶有拋光柚木門軸的同步調(diào)節(jié)薄膜收卷門

¨       infinite variable speed drive of nip rolls. 無級變速的夾緊輥電機

¨       three guide rollers for downside movement of film. 引導(dǎo)薄膜向下運動的三個導(dǎo)向輥

¨       inspection cabinet with lamps placed on downside of film tower. the lamps will shine through the film for easy inspection of film quality. 吹膜塔帶內(nèi)置光源的檢查箱，通過薄膜的透射光易于檢測薄膜質(zhì)量。

¨       film wind-up with easy removable bobbins. variable speed drive with clutch for windup. 薄膜收卷在易于卸除的卷軸上，收卷速度由帶有離合器的速度可調(diào)電機控制。

¨       electric cabinet as well as control cabinet in the sub cabinet, containing all controls such as two temperature controllers, on/off push buttons for blower, film drives, lamp and pneumatic opening/closing of nip rolls. the film attachment is equipped with it’s own electric supply so that the die and flange can be heated up even when removed from the extruder. 電氣柜帶有所有控制模塊包括兩組溫度控制器，吹膜機開/關(guān)按鈕，光源和夾緊輪的氣動張開/閉合控制。薄膜附加設(shè)備帶有自己的供電模塊，因此即使同擠出機分開也可以將模頭和法蘭單獨加熱。

laboratory single screw extruder type le25-30 with c-clamp flange on extruder head for attachment of downstream equipment

帶有c-型夾具法蘭的實驗室單螺桿擠出機le25-30

¨       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(zhì)由高級氮化鋼構(gòu)成，螺桿直徑25毫米，長徑比30。

¨       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. 螺桿壓縮比1：3。22d區(qū)域帶maddock混合區(qū)，螺桿頭部帶菠蘿形混合區(qū)。適合絕大多數(shù)原料。鍍鉻后的螺桿甚至適用于pvc的混煉。

¨       screw speed infinite variable from 0 to 300 rpm螺桿轉(zhuǎn)速從0到300rpm無級可調(diào)。

¨       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(diào)節(jié)螺桿轉(zhuǎn)速和高扭矩，螺桿轉(zhuǎn)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(fēng)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(jié)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(zhǔn)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(shè)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(fēng)開口的全鋼材質(zhì)。

¨       modern designed extruder body where all components are fully enclosed. 現(xiàn)代設(shè)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(nèi)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(diào)支腿帶有橡膠墊確保準(zhǔn)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(zhuǎn)速數(shù)字輸出帶有上/下鍵可獲得精確速度調(diào)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

¨       pressure sensor with incorporated melt temperature sensor in-serted in the die adaptor near the breaker plate.  熔體溫度/壓力傳感器插入模頭適配器