introduction:2、 No maneuvering with knives or with knives,The cutting or cutting must be done manually。 3、 Carefully implement the following special regulations for gear machines: (one) Bevel gear planer: 1、 When installing the planer, check whether the installation height and length of the planer are appropriate with the cutter plate。Prevent the two planer blades from rubbing against each other。 2、 Adjust the feed drum and shake table,Care must be taken to align the marks of the two"0"position。 3、 Bed saddle after each shift position,Must be secured。 4、 No rolling motion is required when roughing,The table should be stopped in the middle position(0point)Up.,Install the fixed connecting plate to the spline shaft in place of the removed rocking table swing exchange gear。 (two) Spiral bevel gear milling machine:
2015-03-29 Reading quantity 2906
introduction:A hyperbolic surface consisting of two pitch surfaces(The surface of revolution of a hyperbola)The gears consist of a staggered shaft between the gear drives(See picture[Hyperboloid gear transmission principle])。Two alternating axesⅠ-ⅠandⅡ-ⅡThe shortest vertical distance betweenO1O2,It is equal to the sum of the radius of the neck of the two hyperbolic bodiesⅢ-ⅢpassO1O2on-lineCPoint and perpendicular toO1O2,It and axisⅠ-ⅠandⅡ-ⅡThe Angle between 1and 2。
2015-04-01 Reading quantity 2900
introduction:Molding has the following requirements for plastic gears: 1)The intermeshing plastic gears are made of the same material。 2)Plastic gear as far as possible to use a large angular radius transition, Abrupt change of section。
2015-04-02 Reading quantity 3001
introduction:A gear drive in which the pitch surface of at least one gear is not a rotary surface。When a pair of non-circular gears mesh﹐Its instantaneous transmission ratio changes periodically according to a certain law。figure1 Non-circular gear Middle two non-circular gears1and2The pitch curves are respectivelyJ 1andJ 2﹐When the two wheels are engaged﹐J 1andJ 2Do pure rolling without sliding。Its instantaneous transmission ratio is﹕i12= w1/ w2=r2/r1﹐Shizhongw1andw2Is the instantaneous angular velocity of the two rounds﹐
2015-04-03 Reading quantity 2927
introduction:By changing the radial position of the standard tool to the gear blank or changing the width of the tooth groove of the standard tool, the tooth shape of the gear is made into a non-standard involute tooth shape。When cutting the teeth of the wheel﹐Changing the radial position of the standard tool to the gear blank is called radial displacement(figure1 Cutting of standard gears and variable gears )﹔Changing the groove width of a standard tool is called tangential modification。The most common is radial displacement﹐Tangential displacement is generally used for the displacement of bevel gears。
2015-04-04 Reading quantity 2893
introduction:Precautions for using gear oil 1、It is necessary to check the performance indicators and pollution of gear oil in a timely manner,Replace if exceeded。When changing the oil, the gearbox should be cleaned and then injected with new oil,The amount of fuel should be appropriate。 2、Care should be taken to prevent impurities mixed with water
2015-04-04 Reading quantity 2998
introduction:Electric forklift gear contamination Electric forklift gears once contaminated,Multiple failures will occur,However, maintenance often treats the symptoms rather than the root cause,The contaminated gear will again cause other failures of the electric forklift。So how to detect the gear is contaminated? The determination method of whether the gear oil of the electric forklift is contaminated is as follows:
2015-04-08 Reading quantity 2939
introduction:Used to change the cutting speed or feed rate of the machine tool(See cutting parameters)The replaceable gear set。1500Years or so﹐Leonardo the Italian‧Leonardo Da Vinci has put forward the idea of using exchange gear to adjust the lead of the thread being machined in his drawing of the thread machining machine。19The beginning of the century﹐The switching gear is used in the lathe。The structure of the machine can be simplified by adopting the change gear﹐However, the gear must be removed when changing speed﹐
2015-04-11 Reading quantity 2965
introduction:Abstract:It is simple to use rolling forming technology for plastic gear machining、Long tool life and high efficiency,Especially for the helical gear forming processing,No drawing problem。In recent years,In foreign countries, the research and application of this technology has been paid great attention。These research results are introduced in this paper,The main content is rolling forming method、Problems and solutions in cold and hot extrusion rolling forming。It is expected to be helpful to understand the inherent law of rolling forming。 keyword:Roll forming Cold extrusion rolling Hot extrusion rolling
2015-04-11 Reading quantity 2973
introduction:由一对摆线齿轮组成的齿轮传动。摆线齿轮的齿廓由内摆线或外摆线组成 (图中a 摆线齿轮的齿廓 )。滚圆S 在节圆Oj1外面滚动形成齿顶曲线bc ﹐在节圆Oj2内面滚动形成齿根曲线aa'﹔同样﹐滚圆Q 在Oj1内面滚动形成齿根曲线bb'﹐在Oj2外面滚动形成齿顶曲线ad。这样的轮齿接触传动相当於一对大小为Oj1和Oj2的摩擦轮互相滚动。摆线齿轮传动大多用於鐘錶和某些仪器﹐与一般齿轮传动相比﹐它的特点是﹕(1)传动时一对齿廓中凹的内摆线与凸的外摆线嚙合﹐因而接触应力小﹐磨损均匀﹔(2)齿廓的重合度较大﹐有利於弯曲强度的改善﹔(3)无根切现象﹐最少齿数不受限制﹐故结构紧凑﹐也可得到较大的传动比﹔(4)对嚙合齿轮的中心距要求较高﹐若不能保证轮齿正确嚙合﹐会影响定传动比传动﹔(5)这种传动的嚙合线是圆弧的一部分﹐嚙合角是变化的﹐故轮齿承受的是交变作用力﹐影响传动平稳性﹔(6)摆线齿轮的製造精度要求较高。
2015-04-22 Reading quantity 2905