5results about How to "Small heat affected zone" patented technology

A kind of metal pipe fitting electromagnetic forming device and method based on laser heating, with positioning system including positioner, first guide rail, first numerical control moving platform, for accurately positioning metal pipe fitting and mold coordinates;Conveying system includes second guide rail, numerical control moving platform, motor, for realizing the rotation and movement of metal pipe fitting;Heating system includes laser heating device, temperature detector;Electromagnetic forming system includes spiral tube coil, mold, capacitor, DC power supply and control switch;Its characterized in that, motor, fixture, metal pipe fitting, mold, spiral tube coil are horizontally distributed on the same axis, metal pipe fitting can be rotated with the help of motor, and can be moved in the gap between spiral tube coil and mold with the aid of conveying system.The present application can realize uniform heating when metal pipe fitting electromagnetic warm forming, greatly improve heating efficiency, reduce heat affected zone, and improve the position accuracy of metal pipe fitting local microstructure electromagnetic forming.

The utility model relates to a kind of differential and vehicle, its shell is fixedly connected by welding with main reduction gear, shell is constituted by two half shells and is respectively installed in the axial both sides end surface of main reduction gear. Fixed part for and half shell welding is equipped on the axial both sides end surface of main reduction gear, and positioning part spaced apart from fixed part welding area in radial direction is also equipped, and positioning part supports half shell when welding. The technical scheme will positioning part and welding area be spaced apart, avoid the influence of positioning accuracy by heat distortion generated in welding process, can effectively improve the assembly accuracy and overall performance of differential, ensure the reliable operation of differential.

The application provides a tunable pulse train laser and a design method thereof, the laser comprising a pumping light fiber coupling focusing system, a cavity mirror, a laser crystal, a passive Q-switching crystal, an active Q-switching system and a laser output mirror arranged in sequence according to an optical path; the tunable pulse train laser is configured to: in a working state, through the equivalent length control of the passive Q-switching crystal and the modulation control of the active Q-switching system, the number of pulse trains is controlled under the same main frequency, or the same pulse train is output under different main frequencies. The application uses the active Q-switching system and the passive Q-switching crystal in cooperation, uses the active Q-switching and the passive Q-switching in combination to obtain the output of the main frequency plus the pulse train, is favorable for the multiple processing at the same point in the fine machining, and the single pulse energy is constant, thereby providing a pulse train laser scheme which is lower in cost, more ingenious and simple in structure, good in regulation flexibility, and higher in stability and reliability of the laser.

The application discloses a processing method of an elongated spring rod, and specific steps are as follows: ① blanking: preparing blanks and blanking according to the size of each part in the elongated spring rod; ② semi-finishing: semi-finishing the blank of each part to meet the assembly requirement; ③ assembly welding: assembling each part according to the drawing requirement and adopting laser deep penetration welding to perform assembly welding; ④ finishing: finishing the spring rod assembly; ⑤ quenching: performing laser surface quenching on the middle part of the spring rod assembly; and ⑥ final inspection: performing inspection on the spring rod assembly according to the drawing requirement. The application makes the deformation of the elongated spring rod small, shortens the processing period and reduces the production cost. Meanwhile, the application prolongs the service life, improves the processing efficiency and greatly improves the qualified rate of finished products.

The utility model discloses a detachable locking structure of laser pipe cutting machine relates to laser pipe cutting machine technical field. The utility model discloses a dismounting board, the dismounting board top is provided with first air cylinder, and the first air cylinder output is fixedly connected with the locking plate through first bolt, the dismounting board top is provided with the adjusting assembly, and the adjusting assembly includes the second air cylinder of setting in the dismounting board top, the support of fixed connection in the second air cylinder output through second bolt, and the motor swing joint in one side of the support. The utility model discloses a adjusting assembly realized the horizontal position fine adjustment and rotation positioning of pipe material, solved the problem that traditional locking structure can only radial clamping. Motor drive carousel rotates, and the cooperation of movable block and annular movable slot ensures that pipe material can dynamically adjust angle in the cutting process, optimizes cutting path, reduces the heat influence area, improves cutting accuracy and application scope.