Demand of precision of treatment of cycloidal wheel pair is very high, all the time since the difficult problem that is treatment. The technology of puissant figuration grinding of article introduction can undertake be settlemented effectively. Graph 1 cycloid annulus the photograph pursues 2 cycloidal pump (motor) structural sketch map pursues 3 usable at cycloid annulus the MKL7132 × of grinding grinder of puissant figuration of 8 numerical control pursues 4 become emery wheel nap go up appearance of graph tooth profile undertakes figuration grinding in hydraulic pressure. Among them cycloid needle annulus clench the teeth deputy the core component that is motor of steering gear of cycloidal complete hydraulic pressure, cycloidal hydraulic pressure. As a result of its bulk small, torque is big, unit weight power is great wait for distinct advantage and car of type engineering work takes in proper motion, if the domain such as agricultural machinery, project machine, forklift applies extensively, cycloidal needle annulus decelerate machine applies more extensively in spin printing and dyeing, light industrial the industry such as mine of food, metallurgy, petrifaction. Cycloid annulus is cycloidal needle annulus clench the teeth deputy crucial part, treatment precision demand is higher, treatment technology is more sophisticated, long-term since it is the one catastrophe problem that restricts mechanism of industry of fluid casting die, decelerate to make a trade. The tweak that puissant figuration grinding is curved surface of outline of treatment cycloid teeth of a cogwheel the crucial part that cycloid annulus is cycloid annulus reducer and hydraulic pressure motor, its machine precision to affect the performance of machine of a complete set of directly. Long-term since, because home lacks number to control device of puissant figuration grinder, the treatment of curved surface of outline of cycloidal teeth of a cogwheel is to pass the means of mill of cut of silk thread of the machine that insert tine, don't go yet, milling cutter to come true for the most part, as a result of shape of profile of cycloidal teeth of a cogwheel complex, treatment creates difficulty big, because above machines methodological efficiency,surface roughness of low, tooth flank differs low, precision, cannot satisfy the requirement that batch produces, affect the performance of reducer and hydraulic pressure motor, pump directly. As the flying development of machining course of study, high speed, heavy cut, the treatment method that the processing technique of high accuracy replaces convention stage by stage. Have special model the precision work of outside of outline of cycloidal teeth of a cogwheel that the face asks, technology of grinding of numerical control figuration is used extensively in abroad, method of this kind of grinding and exhibit law cycloid roll flute to machine photograph comparing to have clear advantage. This treatment method is to use numerical control puissant figuration grinder, apply nap of technology of nap of figuration emery wheel to give appearance of curved surface of cycloid annulus odd tooth profile, repass circumgyrate index mechanism is right cycloid annulus workpiece undertakes grinding of figuration of puissant delay feed, achieve direct figuration tooth profile. Have efficiency tall, precision the characteristic with good surface roughness of tall, curved surface, because applied numerical control control to be able to realize the administrative way of one person much chance, satisfy the requirement that batch produces, was to improve product performance more. 8 numerical control of MKL7132 × are puissant figuration grinder different picture is the 8 cycloid of MKL7132 × that group of Hangzhou machine tool is cycloid annulus to grinding is machined and be developed technically annulus numerical control is puissant figuration grinder. The lead plane structure of this machine tool uses a company to have structure of movable type of the waist in the pillar of own intellectual property, this structure has a the biggest advantage is: The position when main shaft grinding and horizontal guide course tall, the grinding trends that can make sure the place when heavy-cut grinding must be had is rigid, and whole and mobile component (namely pillar and wheelhead) near the plane that centre of gravity makes in transverse slideway, assure machine tool shift and feed stability. In workbench on the right side of nap of installation emery wheel implement or King Kong pen, in the left-hand mounted clamping apparatus of workbench and workpiece. On wheelhead installation has washing unit of high-pressured refrigeration emery wheel. Power of machine tool wheelhead is 17 or 30KW, satisfied the requirement of heavy-cut grinding. Machine tool control uses system of numerical control of Xi Menzi 802D/840D, axis of the feed movement that controls fore-and-aft axis, vertical axis, transverse axis, A and electric machinery of main shaft of control wheelhead servo. Nextpage machine tool uses gyro wheel of entrance King Kong, nap of tie-in tall rigid gyro wheel implement, make range of tooth form of nap emery wheel efficient and exact, be spent to tooth flank clench the teeth and of grinding efficiency rise had assure reliably. In the meantime, the machine tool contains device of self-poise emery wheel, the emery wheel that OK and effective purify causes because of the place after emery wheel itself and nap is lopsided quantity, raising grinding precision while assure its surface quality. Still can realize emery wheel nap to measure automatic compensation, maintain workpiece to machine size consistency, raise treatment precision and interchangeability. The low-pressure oily mirage that wheelhead main shaft and gyro wheel main shaft all collect appliance to have own intellectual property encloses buy, prevent high-pressured cooling fluid to enter main shaft system, made sure main shaft precision and bearing grow life effectively. Wheelhead body uses hot equalizer to control main shaft heat is stretchy, assured transverse grinding precision. Degree of machine tool automation and reliability are high, in grinding process, divide work assemble and unassemble reach outside measuring, all be during finish automatically, improved manufacturing efficiency, decreased to operate the labor intensity of personnel. Come a few years, this kind of machine tool already batch offers industry of domestic fluid casting die and decelerate mechanism to build an industry to use, the result is favorable, get thereby the welcome of these industries. The device of nap of emery wheel figuration of cycloid annulus and special clip hold device emery wheel to undertake figuration nap according to shape of profile of cycloidal teeth of a cogwheel, means of emery wheel nap uses nap of gyro wheel of table King Kong, pass the linkage of perpendicular feed axis and servo main shaft, the constant string that achieves compensation of emery wheel nap and emery wheel fast. Emery wheel installs means: Odd an emery wheel installation - wide choice grinding. Work location way: Core club locates, numerical control index plate (A axis) graduation fixed position. Workpiece outfit places means: 3-5 overlay holds clip, hydraulic pressure or baric top are close. Whole cycloid annulus gross 6 tine, divide treatment 2 times. Treatment divides delay feed kibble and essence of fast move back and forth to grind. Essence of move back and forth grinds nap of ongoing travel emery wheel. The surface roughness after grinding achieves Ra0. 8 μ M. Machine metre estimation: (specific treatment craft undertakes adjustment according to actual condition) with this cycloid annulus is exemple: Machine 5 (surplus of semifinished product unilateral is 0.
2mm is controlled) computation. Perpendicular feed estimates the tag of movement of serial number of grinding treatment watch of cycloid annulus (Mm) journey (Mm) speed (Mm/min) time (Min)1 enters grinding place 0.
12 kibble are cut 0.
1912012013A axis rotates 360 ° of 60 ° / Min0.
164 kibble cut idle stroke 0.
156 kibble time 8.
Nap of 166 emery wheel 0.
060.
60.
Essence of 17 fast move back and forth is ground 0.
005/0.
01120100000.
0248A axis rotates 360 ° of 60 ° / Min0.
Idle stroke of 169 essence grinding 0.
1106 times essence of life rubs time 2.
35 handling time 2.
3 treatment metre 2.
09 minutes / develop research stator link inside outline figuration grinding controls an industry in fluid, need link of pair of hydraulic pump stator inside outline undertakes accurate machining. Graph of the ring of hydraulic pump stator that company of grinder of 5 Germany ELB makes inside since outline figuration grinder is long-term, this kind inside the treatment of outline also is a difficult problem, the company such as foreign elephant BLOHM, ELB uses a kind on figuration grinder special inside grinding device is OK internally outline undertakes figuration grinding. This kind special inside grinding figuration device, convey wheelhead device, motivation and cooling fluid supplies device to be installed be being machined of workpiece inside in outline, extend special wheelhead that is to say figuration grinding undertakes inside workpiece. Use this kind of grinding to machine a method, the treatment of the outline inside stator annulus has precision tall, outline spends tall, metal to grind except the good point with high rate. Institute of as above plan is shown, this machine tool of ELB company uses man-made concrete lathe bed, x axis and Z axis are static press slideway, in machine tool workbench jacket has 2 inside grinding arm, design use CBN emery wheel. Transverse procrastinate board on the dividing head that contains a special design is worn, high resolution empty arbor rotates coder is installed directly go up in workpiece axis, to tilting fixed position uses clapboard of clamp of a hydraulic pressure. A radial outline arbor that can contract ensures the alignment that becomes the work that folds with clamp of axial of canister of a hydraulic pressure subsequently. Accessory of nap of a gyro wheel allows to use emery wheel of CBN of pottery and porcelain at be on arm of the first grinding to undertake kibble, essence of life grinds an operation to be in by installation emery wheel of CBN of plating of electrify of arm of the 2nd grinding is finished. Grinding process uses maximum pressure lukewarm accuse oil to undertake cooling, oil is clean in a filter exceeding essence of life. Fold the rotor loop with 8 lamina large 100mm with 0.
The handling time of 25mm surplus needs 10 minutes about. This kind of machine tool that place of industry of domestic fluid casting die needs counts an import at present, ever imported the machine tool of German BLOHM company like factory of casting die of Jiangsu Zhenjiang fluid. As the maturity of figuration grinding technology, if domestic user has demand, we can undertake technically developing, implementation is machined to the figuration grinding of the outline inside workpiece. We research development grinding technology, endeavor to offer efficient figuration grinding machine for the user. CNC Milling
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