In life, we often use tools in addition to screwdrivers is a wrench, whether furniture devices or industrial construction are required to use a variety of wrenches.

　　常見的幾種扳手有：活扳手、梅花扳手、L型扳手和內(nèi)六角扳手等。從運(yùn)用方式來看，這些扳手都屬于普通扳手（手動扳手）。在現(xiàn)代工業(yè)消費(fèi)中，電動扳手適用范圍越來越廣，常被用于機(jī)械、汽車、建筑和機(jī)電等行業(yè)中。那么，同樣作為扳手，手動扳手和電動扳手該選哪個呢？

　　Common wrenches are: flexible wrench, plum wrench, L-type wrench and inner hexagonal wrench. These wrenches belong to common wrenches (manual wrenches) in terms of their use. In modern industrial consumption, electric wrenches are more and more widely used in machinery, automobile, construction and electromechanical industries. So, as a wrench, which one should we choose, the manual wrench or the electric wrench?

　　比照根本定義

　　By comparison with the fundamental definition

　　手動扳手又叫普通扳手，是一種常用的裝置與拆卸工具，它應(yīng)用杠桿原理擰轉(zhuǎn)螺栓、螺釘、螺母、其他螺紋緊持螺栓或螺母的啟齒或套孔固件的手工工具。

　　Manual wrench, also known as ordinary wrench, is a commonly used device and disassembly tool. It uses the lever principle to twist bolts, bolts, nuts and other threads to hold the teeth of bolts or nuts or the fixture of sleeve holes.

　　扭剪扳手

　　Torsion wrench

　　電動扳手是指擰緊和旋松螺栓及螺母的電開工具，以電源或電池為動力，是一種擰緊高強(qiáng)度螺栓的工具。主要應(yīng)用于鋼構(gòu)造裝置行業(yè)，特地裝置鋼構(gòu)造高強(qiáng)螺栓（高強(qiáng)度螺栓是用來銜接鋼構(gòu)造接點(diǎn)的，通常是用螺栓群的方式呈現(xiàn)）。

　　Electric wrench refers to the power-on tool for tightening and loosening bolts and nuts, powered by power supply or battery, and is a tool for tightening high-strength bolts. Mainly used in the steel structure equipment industry, special equipment steel structure high-strength bolts (high-strength bolts are used to connect the steel structure joints, usually in the form of bolt groups).

　　比照扳手類型

　　Contrast wrench type

　　手動扳手分類較多，細(xì)分為：單頭呆扳手、雙頭呆扳手、活動扳手、梅花扳手、多用扳手、敲擊扳手、套筒扳手、套筒起子、扭力扳手、扭矩扳手、十字扳手、棘輪扳手、鉤形扳手、內(nèi)六角扳手、內(nèi)四方扳手、手動離合式扭矩扳手、管子扳手、T型扳手、L型扳手、三叉扳手、月牙扳手、油管扳手、輪胎扳手、火花塞扳手、濾清器扳手、組合扳手、其他扳手等。扭矩扳手分為訊響扳手、指針扳手、數(shù)顯扳手。

　　There are many kinds of manual wrenches, which can be divided into: single-ended wrench, double-ended wrench, movable wrench, plum wrench, multi-purpose wrench, knock wrench, socket wrench, socket wrench, socket wrench, torque wrench, cross wrench, ratchet wrench, hook wrench, hexagonal wrench, square wrench and clutch wrench. Spanner, pipe wrench, T-type wrench, L-type wrench, trigeminal wrench, crescent wrench, tubing wrench, tire wrench, spark plug wrench, filter wrench, combination wrench, other wrenches, etc. Torque wrench can be divided into signal wrench, pointer wrench and digital wrench.

　　扭剪扳手

　　Torsion wrench

　　電動扳手分類較少，分為：平安離合器式和沖擊式兩種構(gòu)造型式。

　　Electric wrenches are less classified into two types: safety clutch type and impact type.

　　比照扳手特性

　　Contrast wrench characteristics

　　手動扳手具有操作簡單、價錢低、勞動強(qiáng)度大的特性。

　　Manual wrench has the characteristics of simple operation, low price and high labor intensity.

　　電動扳手具有操作便當(dāng)、價錢高、省時省力的特性。

　　The electric wrench has the characteristics of convenient operation, high price, time saving and labor saving.

　　比照行業(yè)用處

　　Use for industry comparison

　　手動扳手操作簡單，勞動強(qiáng)度大，普通用于普通生活中，比方家具、電器、辦公設(shè)備等裝置。

　　Manual wrench is simple to operate and labor intensive. It is commonly used in ordinary life, such as furniture, electrical appliances, office equipment and other devices.

　　電動扳手用處相對教泛，目前已應(yīng)用于汽車、拖拉機(jī)、電機(jī)電器、動力機(jī)械、閥門、水泵、紡織機(jī)械等制造業(yè)的裝配工作中，以及化工、水泥預(yù)制件、塑料成型等作業(yè)中。另外，電動扳手在鐵道、橋梁、建筑等工程中也發(fā)揮著重要作用。

　　Electric wrenches are relatively versatile. They have been used in the assembly of automobile, tractor, motor and electrical appliances, power machinery, valves, pumps, textile machinery and other manufacturing industries, as well as in chemical, cement prefabricated parts, plastic forming and other operations. In addition, electric wrenches also play an important role in railway, bridge, construction and other projects.

　　總的說來，假如你想省力就選電動扳手，假如你想省錢就選手動扳手。但大家在選購扳手時，不能只關(guān)注價錢，由于不同類型扳手的拉力和扭矩是存在差別的，運(yùn)用時產(chǎn)生的摩擦力強(qiáng)度也不同。假如平常生活當(dāng)選用電動扳手，就可能會呈現(xiàn)擰過頭的現(xiàn)象；假如機(jī)械工業(yè)當(dāng)選用手動扳手，就會呈現(xiàn)不結(jié)實的現(xiàn)象，埋下平安隱患。

　　Generally speaking, if you want to save energy, choose the electric wrench, and if you want to save money, choose the manual wrench. But when we choose and buy wrenches, we can not only pay attention to the price, because the pull and torque of different types of wrenches are different, and the friction strength produced in use is also different. If elective electric wrench is used in ordinary life, it may appear over-twisting phenomenon; if elective manual wrench is used in machinery industry, it will appear unsound phenomenon and bury hidden danger of safety.

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