Serial number and name | Display cabinet content |
1st cabinet Turning meets the conditions | Outer circle, end face, cutting and groove, drilling center hole, reaming, threading, conical surface, forming surface, knurling, coil spring |
2nd cabinet Basic concepts of turning | The three surfaces on the workpiece (outer circle, hole, and end face), the purpose of commonly used turning tools, cutting plane and base surface (horizontal turning), cutting plane and base surface (vertical turning), marking of turning tool angle, effect of edge inclination angle (3 types), composition of turning tools, commonly used turning tools, outer turning tool (90 ° turning tool) cutting tool, inner hole turning tool, end face turning tool (45 °) round end tool, threaded turning tool |
3rd cabinet Typical machining of cylindrical holes | Bearing sleeve, conical spot facer (60 ° spot facer, 120 ° spot facer), hole turning tool (a through-hole turning tool, b hole drilling turning tool) reamer (2 pieces), Fried Dough Twists drill components, hole turning tool bar (three types), front chip turning through-hole tool |
4th cabinet Car cone and groove method | (a outer groove, b45 ° groove, c outer end face groove, d arc groove), flat groove (T-shaped groove, dovetail groove, flat straight groove), inner groove (inner T-shaped groove and tool return groove, longer inner groove, inner groove in valve) Common parts with conical surfaces, rotating small scooter outer cone, method of offsetting tail seat car circle pile, structure of the mold, shape of the flat groove cutter |
Cabinet 5 Car shaped surface and surface processing | Forming surface parts (spherical surface, three ball handle, handle), types of forming knives (ordinary forming knives, prismatic forming knives, circular forming knives), back plate profiling, worm and worm wheel turning arc tools, structural principles of tool holder profiling device, whirlwind cutting method for processing round balls with handles |
Cabinet 6 Various threading methods for vehicles | Classification of thread profiles, elastic shank thread turning tools, hard alloy triangular thread turning tools, automatic tool retraction device, lathe threading tool, lathe threading tool, trapezoidal thread precision turning tool with chip groove, feed method for low-speed turning of trapezoidal threads, transmission diagram for turning threads, adjustable shank, high-speed straight forward method for turning trapezoidal threads, trapezoidal internal thread turning tools |
7th cabinet Installation and processing of complex car parts | Types of miscellaneous parts, methods for clamping connecting rods on flower plates, methods for machining cross shaft inner holes on flower plates, methods for clamping and aligning bearing seats on angle iron, methods for clamping angle workpieces, micro angle iron, using specialized fixtures to turn eccentric shafts, and methods for turning eccentric camshafts |
8th cabinet Several Elements of Turning | Cross section elements of cutting layer, working diagram of turning tool, schematic diagram of metal cutting process, type of chips, shrinkage of chips, cutting force and its components, Fz force causing bending of tool holder, wear form of tool, reduction of blade inclination angle, reduction of actual arc radius of cutting edge, retention area |
9th cabinet Common fixtures for turning | Lathe fixtures for machining brackets, spring mandrels, combination lathe fixtures, end face pulling centers, spline mandrels, conical mandrels (2 pieces), adjustable supports, cylindrical hole positioning with mandrels, thin-walled sleeve clamping, spiral pressure plate clamping device with relatively complete structure, threaded mandrels (2 pieces) |
10th cabinet Main knowledge of lathes | Meshing clutch, meshing clutch, overrunning clutch, transmission mechanism (slip gear transmission mechanism), transmission mechanism (clutch transmission mechanism), directional mechanism (slip gear directional mechanism), directional mechanism (directional mechanism composed of cylindrical gears and friction clutch), opening and closing nut mechanism, feed overload protection mechanism, brake CA6140 lathe spindle components |