拉紧

If the gap is too large, when the cylinder pressure cannot be effective to brake-workholders, causing tension too small, resulting in a post by floating roll drawn paper tape under; if the gap is too small, the cylinder is always workholders, brake cylinder pressure cannot adjust the brake pad and brake disk workholders degrees, and there will be draggle the paper tape.

如果间隙过大，当气缸气压变化时不能有效地将刹车片夹紧，导致张力过小，造成开机时浮动辊突然被拉下将纸带绷断；如果间隙过小，则气缸始终将刹车片夹紧，气缸气压变化不能调整刹车片与刹车盘的夹紧程度，最终会将纸带拉断。

Using LaGrange theorem on base of analyzing the elastic prop model tension system of band saw machine, the dynamics model of elastic prop tension system of band saw machine has been established and converted to mathematics model applying the modern control theory.

本文以MJ317型木工杠杆压砣张紧系统的带锯机改造成弹性挺杆张紧系统的带锯机为研究对象，通过对带锯机弹性挺杆式张紧系统的弹性动力学分析，运用拉格朗日定理建立了张紧系统的动力学模型，并应用现代控制理论将模型转换成数学模型。

In addition to the wholesale and factory production for the company products, but also the wholesale sling is famous throughout the country, wholesale prices because of too many types, to be directed to the Group's distribution business phone, other products are NRK hyacinth, NRK large gourd (30 -- 50 tons), light NRK hyacinth (80 kg-250kg), Shouban hyacinth, construction Shouban hyacinth, electric hoists, electric chain hoist, micro-block, space launches, and round, hydraulic jacks, screw jack, large jacks, pneumatic Jack, Jack-style separation, thin-jack, electric jack, horizontal jacks,双节Jack, Jack-cut, clamp-hanging, hanging clamp erection, flip hanging clamp, pliers oil drums, stacked plate clamp, car towing, Boutique cranes, lifting with fine, hoisting hook, rotating hook, tied up, tight-vehicle, single-waist belts, body belts, seat belt height, aluminum block-line, cross-top, from the Road, Hydraulic From the top machine, rotating from the top, Hydraulic Ramli, rotating Ramli, the electric Ramli, one Ramli hydraulic pressure machines, into machines, tiger-head tight line, Quchi tight line, from high-intensity Heavy chain, galvanized chain, the chain of steel, iron chain general, Qingdao spent Portland, dumping of deduction, the first card, bow dumping of deduction, American dumping of deduction and heavy dumping of deduction, hydraulic loaders, pneumatic hyacinth, various large Rope, Zongsheng, hanging net, lifting sucker, door-axis wheel, anti-skid chains, fine line tight, tight-line, Shuanggou tight line, railway line cards, Al-card, insurance deduction, rotating Central, rings, Jixin Central, for wire rope cut off, S-hook, lifting a round rope, hanging safety net, set a chain of cable, harness rigging sets, complete sets of rope rigging, injection wire rope, galvanized steel wire rope, hand winch, Removal tanks, high-altitude anti-dropping, balancer, anti-turn hook, electric basket, large-scale mining Tianlun, Mine Pulley, Marine pulley, electric, manual winch, various accessories, such as lifting.

本公司除批发本厂自产产品外，还批发全国各地名优吊索具，批发价格由于种类太多，需致电本集团经销公司电话，其他产品有手拉葫芦、大型手拉葫芦（30－50吨）、轻型手拉葫芦（80kg－250kg）、手板葫芦、建筑手板葫芦、电动葫芦、电动环链葫芦、微型滑车、天轮、地轮、油压千斤顶、螺旋千斤顶、大型千斤顶、气动千斤顶、分离式千斤顶、超薄式千斤顶、电动千斤顶、卧式千斤顶、双节千斤顶、剪式千斤顶、平吊钳、竖吊钳、翻转吊钳、油桶钳、层叠钢板钳、汽车拖带、精品吊车、精品吊装带、吊装勾、旋转吊钩、捆绑器、车用紧线器、单腰安全带、全身安全带、高空安全带、放线铝滑车、跨顶、起道机、液压起顶机、旋转起顶机、液压拉马、旋转拉马、电动拉马、液压一体拉马、压套机、插套机、虎头紧线器、曲尺紧线器、高强度起重链条、镀锌链条、钢制链条、普通铁链条、青岛花兰、卸扣、卡头、弓形卸扣、美式卸扣、重型卸扣、液压搬运车、气动葫芦，各种大绳、棕绳、吊网、起重吸盘、门轴轮、防滑链、精品紧线器、多功能紧线器、双钩紧线器、铁卡线器、铝卡线器、保险扣、旋转环、吊环、鸡心环、钢丝绳切断器、S型吊钩、吊装圆绳、安全吊网、成套链条索具、成套吊带索具、成套钢丝绳索具、注塑钢丝绳、镀锌钢丝绳、手摇绞盘、搬运坦克、高空防坠器、平衡器、防转吊钩、电动吊篮、大型矿用天轮、矿用滑车、船用滑车、电动、手动卷扬机、各种起重配件等。

Replace column bolt spring and it can be applied to small multifunctional clutch. Lock for hanging tube machine, hauling mode's trig, sectional wheel's abandon, overloading, and the locking up for the pulley group of crane's hook.

取代圆柱螺旋弹簧，适用小型化，多功能如炼焦炉门锁紧，离合器、吊管器锁紧、拉伸模、制动器锁紧，区轮舍去过载，超重机吊钩滑轮组的锁紧。

The thesis is right to draw in machinery , push away and depend on , clamp, three devices of structure and function have made a throughgoing and painstaking analysis, has calculated and checked relevant structure; Have chosen some components in hydraulic pressure, has drawn the principle picture of the hydraulic pressure, and has made brief illustration to its movement course; Go up and down with the programming realization of PLC in the electric respect, draw , push away and depend on, clamp movement circulation.

论文在机械结构方面对拉伸，推靠，夹紧三装置的结构和功能作了深入细致的分析，计算并校核了有关结构；液压方面选择了部分元件，绘制了液压原理图，并对其动作过程作了简要说明；电气方面用PLC编程实现了升降，拉伸，推靠，夹紧动作循环。

Safety Belt Tension Furling Device: While a collision happens, if the driver uses a safety belt without tension furling device, the injury may happens by the collision on the instrument board or the steering wheel etc.; Safety belt tension device uses the gas generator in the safety belt tension furling device touched by the speed acceleration of collision, the gas expansibility generated will make the tension device rotate in the reverse direction, bringing the passengers back on the seats, protecting the passenger's security.

对于安全带预张紧卷收器：在发生碰撞事故时，若使用非张紧普通安全带，仍然有可能触及汽车方向盘和仪表板等部位而使乘员受伤；预紧式安全带利用撞车时的加速度触发安全带卷收器中的气体发生器，产生的气体膨胀力使卷收器反向旋转而收紧织带，将乘客向后拉向座椅，从而更可靠地保护乘客的人身安全

Safety Belt Tension Furling Device: While a collision happens, if the driver uses a safety belt without tension furling device, the injury may happens by the collision on the instrument board or the steering wheel etc.; Safety belt tension device uses the gas generator in the safety belt tension furlingdevice touched by the speed acceleration of collision, the gas expansibility generated will make the tension device rotate in the reverse direction, bringing the passengers back on the seats, protecting the passenger's security.

对于安全带预张紧卷收器：在发生碰撞事故时，若使用非张紧普通安全带，仍然有可能触及汽车方向盘和仪表板等部位而使乘员受伤；预紧式安全带利用撞车时的加速度触发安全带卷收器中的气体发生器，产生的气体膨胀力使卷收器反向旋转而收紧织带，将乘客向后拉向座椅，从而更可靠地保护乘客的人身安全

The replacement of woven screen, they should ensure that both sides of the plate and mesh sieve box hook equal to the gap between the first fastening the middle pressed flat, while taut tensioning plate to maintain uniform mesh surface tension, and hand - hammer gently tap along the length, check the tension the situation.

12更换编织筛网时，应保证筛箱两侧板与筛网钩子之间有相等的间隙，先紧固中间压紧扁钢，同时拉紧张紧板保持筛网表面张力均匀，并用手锤沿全长轻轻敲打，检查张紧情况。

Tianchang City in the Drawing Die Limited (0550-7020838) specializing in the production of natural diamond Drawing Die, polycrystalline Drawing Die, general polycrystalline Drawing Die, CVD Drawing Die, CD Drawing Die, tin-and special-shaped mould, Tungsten steel, Jinya Die, Die Laguan, semi-finished products Drawing Die Blank, Sila Si-die semi-finished products, Diamond Drawing Die Die for repair powder, Drawing Die molding equipment: ultrasonic grinding machines, high-speed line polishing machine, microscope for Drawing Die .

天长市金地拉丝模有限公司（0550-7020838）专业生产天然金刚石拉丝模、聚晶拉丝模、普通聚晶拉丝模、CVD拉丝模、CD拉丝模、镀锡模、异型模、钨钢模、紧压模、拉管模、半成品拉丝模坯、微丝拉丝模半成品、金刚石拉丝模专用修模粉、拉丝模制模设备：超声波研磨机、高速线抛光机、拉丝模专用显微镜。

The method includes the steps of gripping the peripheral edge of the fabric in a stretching assembly, activating the stretching assembly to stretch the fabric in a location adjacent to the mold assembly, clamping the stretched fabric against a face of the mold assembly, releasing the peripheral edge of the fabric from the stretching assembly, moving the stretching assembly from the path of the mold assembly, closing the mold assembly on the fabric with the peripheral edge of the fabric terminating in the mold cavity and injecting molten material into the mold cavity to form the frame directly on the peripheral edge of the fabric.

方法包括的步骤为在拉伸装置中夹紧纤维织物的外围边缘、在邻接浇模装置的位置启动拉伸装置来拉伸纤维织物、贴着浇模装置的面夹住已拉伸的纤维织物、从拉伸装置释放纤维织物的外围边缘、从浇模装置的轨迹移动拉伸装置、在纤维织物上闭合浇模装置并使同纤维织物的外围边缘终止在浇模空腔中和将熔化的材料注射到浇模空腔中以在纤维织物的外边缘直接形成框架。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。