Wuxi Huatong Pneumatic Manufacture
Pneumatics/Solenoid Valve/Cylinder
硒鼓是激光打印机的核心成像装置，显影辊是其中的一个重要部分。 材料：特殊橡胶，高档的有ECO材料，一般的是EPDM、NBR等材料。工作原理：显影辊工作时，表面带有电荷（根据不同品牌机器正或负电荷），吸附碳粉（作用相当于磁辊），当输入的打印数据经过处理后，转化为相应的激光信号，通过一组棱镜折射到硒鼓（OPC）表面，从而形成电荷潜影（电荷组成的具体“图像”或“文字”信息）。当OPC旋转经过显影辊时，潜影部分从显影辊表面吸附相应碳粉，形成碳粉实相，当OPC携带碳粉实相转动至纸张相应位置，经过静电处理的纸张又会将碳粉吸附到纸张表面。这样，一幅图像已经出现在纸面了。为了稳定图形，纸张输出时还要经过热压辊，使碳粉中树脂成分在高温下迅速溶解，从而将碳粉牢牢附着在纸张表面。
以压缩气体为工作介质，靠气体的压力传递动力或信息的流体传动。传递动力的系统是将压缩气体经由管道和控制阀输送给气动执行元件，把压缩气体的压力能转换为机械能而作功﹔传递信息的系统是利用气动逻辑元件或射流元件以实现逻辑运算等功能，亦称气动控制系统。气压传动的特点是：工作压力低，一般为0.3～0.8兆帕，气体黏度小，管道阻力损失小，便於集中供气和中距离输送，使用安全，无爆炸和电击危险，有过载保护能力﹔但气压传动速度低，需要气源。 简史1829年出现了多级空气压缩机，为气压传动的发展创造了条件。1871年风镐开始用於採矿。1868年美国人G.威斯汀豪斯发明气动制动装置，并在1872年用於铁路车辆的制动。后来，随著兵器﹑机械﹑化工等工业的发展，气动机具和控制系统得到广泛的应用。1930年出现了低压气动调节器。50年代研製成功用於导弹尾翼控制的高压气动伺服机构。60年代发明射流和气动逻辑元件，遂使气压传动得到很大的发展。 组成气压传动由气源﹑气动执行元件﹑气动控制阀和气动辅件组成。气源一般由压缩机提供。气动执行元件把压缩气体的压力能转换为机械能，用来驱动工作部件，包括气缸和气动马达。气动控制阀用来调节气流的方向﹑压力和流量，相应地分...
(1) Normal Conditions: Medium and ambient temperature: –20 to +80°C; Working pressure: 0.1–1.0 MPa. Refer to specific product datasheets for exceptions.(2) Pre-Installation Test: Pressure test at 1.5× working pressure; no air leakage allowed.(3) Lubrication: Install an oil mist lubricator at the air inlet. Proper lubrication is critical—poor lubrication causes crawling or complete failure.(4) Mounting: Align actuation direction correctly. Piston rod must never bear eccentric or lateral loads.(5) Variable Loads: If load changes during stroke, select a cylinder with ample force margin and add external cushioning.(6) Stroke Limit: Avoid full stroke—especially on extension—to prevent piston-to-end-cap impact and component damage.
As the actuator in a pneumatic system, cylinder quality directly impacts equipment performance. Consider the following when selecting:1. Choose manufacturers with strong reputation, proven quality, and reliable service.2. Verify the production standard—compare enterprise standards against industry norms if applicable.3. Inspect appearance, leakage, and no-load performance:A. Appearance: Barrel and rod must be scratch-free; end caps free of porosity or sand holes.B. Leakage: No external leakage except at rod seal. Internal and rod-end external leakage must each be < (3 + 0.15D) mL/min (D = bore in mm).C. No-Load Test: Run cylinder unloaded at low speed; the lower the minimum speed without crawling, the better.
使用维护须知1. 使用前注意检查元件在运输过程中是否损坏，连接部位是否松动，然后再安装使用。2. 安装时请注意气体流动方向，并保持位置垂直。3. 进出口带缩节时，元件的流量约减少10%，过滤精度每增加一级，流量减小约7%。4. 使用减压阀或过滤减压阀时，应先将调节手轮调节至零位，并将压力表，堵头分别安装在减压阀或过滤减压阀相应位置上，并保证其不漏气（压力表，堵头安装位置可以互换），然后通气，调节至相应压力。5. 使用油雾器时，应先将油量阀针调节至零位，加入恰当的润滑油至油位线，然后根据需要通气后调节至适当的位置。注意：润滑油的牌号，不能选用锭子油及含低级酮、芳香烃的润滑油。6. 采用金属管子连接时，请注意清除管子内部的金属颗粒、粉尘、油污等。Maintenance1. Check te element and make sure all element are in goo d condition before useing.2. Make sure r ight air flow direction connecting, keep element in ver tical position.3. With adapter bonnet, the flow rate will reduce 10%, one grade accuracy of filter increased, 7% of flow down.4. When using pressure-reducing valve and filtrating pressure ...
On Qingming Festival, the Party General Branch of Wuxi Huatong Pneumatic Manufacturing Co., Ltd. organized over 40 Party members and aspiring applicants, led by Chairman and Party Secretary Mr. Hua Ping, to pay tribute at a martyrs’ cemetery and visit the Exhibition Hall of Revolutionary Martyrs’ Deeds. Following the memorial activity, a symposium was held at the Red House Tea Room.The theme was: “Amid economic challenges, how can Party members inherit the martyrs’ spirit and contribute to enterprise development?” Participants spoke enthusiastically in a warm and harmonious atmosphere. Many noted that such activities had been absent for years, and this event rekindled a sense of reverence while reinforcing traditional values on life, death, and interests.Key sentiments included:• Cultivating gratitude—to martyrs, society, parents, and the company for providing favorable conditions for growth.• Committing to excellence in daily duties to support corporate resilience during crise...
Pneumatic Directional Control ValveOperation & Maintenance Guidelines1. Before use, inspect components for shipping damage, then install.2. When using solenoid valves, verify supply voltage meets specifications. During machine commissioning, manually test the valve first using a manual override, then proceed to electrical testing.3. Protect valves from dust ingress. Install silencers or exhaust throttle valves on exhaust ports. Ensure proper lubrication.4. When using metal tubing, thoroughly clean internal surfaces to remove metal chips, dust, and oil residue.
Per needle roller bearing assembly requirements, the process is divided into three stages: bearing housing greasing, needle insertion, and cover assembly. The basic automated line layout is as follows:1. Greasing Station: After the bearing housing arrives via conveyor, a clamp cylinder secures it. A greasing nozzle, driven by a cylinder, descends. Upon positioning, an adjustable metering pump injects grease for a set duration, then retracts. The clamp releases, and a pusher cylinder transfers the greased housing to the next station.2. Needle Assembly Station: This station has two feed lines:A) The greased housing is pushed into position and clamped under the needle press head.B) Needles are fed into a vibratory bowl feeder, automatically aligned into a chute. A reciprocating cylinder loads needles into the press head (quantity matches bearing requirement). Once full and the housing is clamped, the press head inserts all needles. Grease holds them in place. The clamp releases, and a pus...
When solenoid valves or cylinders malfunction during operation, how should you diagnose the issue? In our experience manufacturing and selling pneumatic components, we frequently receive complaints such as: “Your solenoid valve leaks and is unusable,” or “The service life of your cylinders and solenoid valves falls far short of the tens of thousands of cycles or kilometers you advertised.” How do you typically handle such customer complaints?While product quality may be a factor, have you considered analyzing the problem from the perspective of air supply treatment? We often find this to be the root cause.For example, a customer in Beijing purchased numerous solenoid valves from us. Shortly after installation, they complained the valves were inoperative. We immediately dispatched an engineer to the site. Our first check was always air quality—and the issue was quickly revealed: they used standard water pipes as air lines, with completely untreated compressed air containing large a...
密封件及垫片的选用：液压油缸有不同的技术要求，密封件也必须根据油缸的技术要求来生产不同技术要求的密封件。1、如油缸工作环境为25MPa以上压力，速度0-0.5米/秒，油温80℃，则密封件必需达到以下技术要求：（1）密封件硬度选用92度～97度，油缸压力越高，选用密封件硬度越大。（2）密封件唇口的线速度必须满足0.5米/秒。（3）密封件耐温必须满足-30℃～110℃温度。因为密封件唇口接触面的温度要高于液压油温度，所以密封件选用必须耐高温110℃；而有些地方的气温在-30℃左右，所以密封件的选用要耐低温-30℃。（4）要选用专用密封件，如轴密封，只能选用轴专用密封件。活塞密封只能选用活塞专用密封件，而不能选用轴与活塞两用密封件。因为两用密封件根部宽度小于专用密封件根部宽度。在高压时两用密封件根部变形量大，专用密封件在同等压力时根部较宽，压缩变形量较小，被活塞杆挤出的可能性就变小。（5）密封件根部要加上垫圈。为什么要加垫圈，垫圈硬度是多少？由于油缸压力在25MPa以上，密封件的高度决定了密封件根部变形量的大小，也就是挤出间隙的大小，因为垫圈也有硬度，也有变形量，加上垫圈等于减少了密封件的变形量，使密封件在高压时，根部减小了与活塞杆或缸体...
