WQ-ZTCL1004 showcase a mechanical drawing. Overview "Mechanical Drawing" Teach showcase is applicable to full-time regular school, middle school staff, television school, vocational high school mechanical drawing class professional education, also for other similar professional use or reference. To highlight the students drawing skills and the ability to plug-main line of mechanical engineering students learn theory, the use of enhanced awareness, deepen understanding, this showcase is a ideal equipment to improve the quality of teaching. Second, following the serial number and the name of the configuration showcase contents of the first cabinet: drawing a basic knowledge and tools, Roman numerals, showing columns, 2, Arabic numerals example, 3, AZ example, 4, title bar, parts lists, 5, proportion, 6, the font (GB-T 14691-93) basic requirements, 7 characters long FangSong example, 8, drawing format and size 9, frame format, 10, triangle ruler, 11, Tri-scale, 12, rounded protractor, 13, versatile template, 14, compasses second cabinet: point, line, plane projection one, three projection point 2, the general position of the straight line projection on three sides, 3, solid line length and inclination α, 4, vertical surface side, 5, horizontal, 6, oblique projection and front projection, 7, a straight line trace points, 8, planar projection characteristics, 9, trace plane, 10, center projection 11, the projection point on the line characteristics, 12, the projection feature segments, 13, the midpoint of the four sub-angle projection third cabinet: points, lines, the relative position of a plane, rectangular projection theorem, two, two lines intersect the projection of 3, using the projected accumulation of Lines and demand throughout the plane, 4, auxiliary surface method the line and the plane through the points, 5 pay-line projection of the accumulation of the required use of two planes, six, graphic traces practice, 7, are hanging round face projection, 8, the relative position of the straight line on the three-dimensional projection surface and the analysis, 9, two straight lines intersecting projection ', 10, characterized by two straight lines intersecting the projection, 11, using the Method of the auxiliary line through the point and the plane of the straight line, 12 , find the general location of the two planes intersecting line 13, the two straight lines parallel projection, the fourth cabinet: a projection transformation, two basic approaches to the projection transformation (change surface method), 2, two basic approaches projection transformation ( rotation method), 3-point rotation around the vertical axis are 4, the general location of a linear transformation to the new projection plane perpendicular lines, 5, will rotate the general location of the straight line projection plane parallel lines, 6, the general location of a linear transformation to the new projection plane parallel lines, 7, the general location of the plane is converted to the new projection plane parallel surfaces, 8, the general location of the plane is converted into new vertical projection plane, 9, will be transformed into a projection surface are vertical plane parallel to the surface, 10, a secondary exchange surface points 11, the projection surface into a projection plane parallel lines perpendicular lines, 12, seeking to distance between point A and point A to P P flat plane 13, made foot of the perpendicular K, 14, in combination with a secondary exchange surface painting method body view of a fifth cabinet: Curves and Surfaces 1, two-dimensional projection of the sample surface (oblique cylindrical), two, two-dimensional projection of the sample surface (oblique cylindrical), three, two-dimensional projection of the sample surface, four, three-dimensional surface both sides of the projected sample (upper left quarter of the cylindrical prism with four slots), 5, two-dimensional projection of the sample surface (oblique cone), 6, two-dimensional projection of the sample surface (oblique cone), 7, surface both sides of stereoscopic projection example (round table upside down), 8, both sides stereoscopic projection surface sample (with a semi-cylindrical half-round table slot), 9, two-dimensional projection of the sample surface (with hemispherical cylinder slots), 10, both sides of the three-dimensional projection of the sample surface (a combination of a rotating body sample), 11, two-dimensional projection of the sample surface (a combination of the rotator example b), 12, the head of the intersection line connecting rod, 13, cut the ball heap vertical plane The intersection line projection, 14, to form a curve, 15, space curve, 16, formation and projection surface rotation, 17, cone, 18, cylindrical surfaces, 19, a tapered surface 20, cylindrical helix, 21, conical helix, 22, a single leaf hyperbolic surface of revolution, 23, to form a torus, 24, thimble intersection line, the sixth cabinet: cut a cross intersection, projection hemisphere grooving, two, three pyramid gap 3, slotted cylindrical projection, 4, slotted hollow cylindrical projection, 5, seeking intersection line 2, 6, projection head Boring Bar, 7, joint projection, 8, jack cover projection, 9, phase profile used to line 5, the seventh cabinet: intersecting line 1, column two orthogonal intersecting line 2, column two orthogonal intersecting line, 3, finding intersection of cylindrical and spherical cone method, 4 , intersecting line intersecting line intersecting line of two orthogonal cylinder, 5, and two cylindrical holes drilled on the cylinder, 6, and two cylindrical holes drilled on the cylinder, 7, two partial cross cylinder intersecting line 8, intersecting lines and semi-truncated cone intersecting line of the ball, 9, cylindrical and tapered orthogonal, 10, intersecting line skew two cylinder, 11, cylinder and cone orthogonal, 12, as the axis of disjoint diameter unequal intersecting line of two-cylinder, 13, cylindrical and hemispherical intersect, special circumstances 14, intersecting line of 2, 15, intersecting line cylinders, round table and balls, the eighth cabinet: surface cross Line 1, take on the projection surface of the post and point 2, take the point on the projection surface cone, 3, find the point on the projection surface prism 4, the analysis of body surface, 5, get on the ball and the surface projection , 6, and take on the ring projection surface, 7, with washer projection, 8, find points on the projection surface cone, 9, 22 Ninth personally cabinet line model: a combination of a combination of body combinations, 2, the outer surface coplanar with the non-coplanar, 3, the inner surface coplanar with the non-coplanar, 4, tangent to the outer surface, 5, is tangent to the inner surface, 6, the plane intersects with the curved surface 7, two Surface Intersection, 8, bearing and shape analysis, 9, pads, 10, linking several views, the 11 bracket, 12, plate 13, seeks new configuration design, 14, superimposed assembly constituted 15, the assembly consisting of a cylindrical cutout 16, an integrated assembly consisting of the tenth cabinet: mechanical expression method 1, the basic projection surface, 2, partial view, 3, partial view symmetrical objects, 4, a perspective view, 5, cross-sectional view, 6, a full sectional view 7, half cross-sectional view, (a), 8, half-sectional view (b), 9, a partial cross-sectional view, 10, a single helical cut plane 11, full sectional view of the stepped section 12 and a half cross-sectional view, the stepped section of case, 13 partial cross sectional view of the ladder, 14, both cut plane intersect, 15, rotating cutaway produce incomplete elements, 16, a composite profile, 17, expressed in section shaft and keyway and other structures, 18, cuts off When the surface of the cross sectional view of the separation, 19, two intersecting cross cut out of the plane out of the cross-sectional view, 20, the same structure of the painting, 21, to simplify the drawing of the porous structure of the painting, 22, the ribs, the hole (2), 23, the flange simplify painting uniform bore, 24, elliptical simplified painting, eleventh cabinet: Part 1, the plunger sleeve, 2, shaft, 3, end caps, 4, brackets, 5, box, 6, worm gear box, 7, valve, 8, flange, 9, conical tubes, 10, cylinder 11, handwheel, 12, creel, 13, bracket, 14, lathe tailstock sleeve hollow plate XII cabinet: parts diagram, gears, keys, springs 1, spur gear drive, 2, cone gear, 3, worm gear, 4, involute splined painting, 5 ordinary flat key, 6, Woodruff Key, 7, cylindrical pin, 8, shaft, 9, pump 2, 10, a compression spring 11, tension springs, 12, torsion springs, 13, a housing 14, Supports Thirteenth cabinet: assembly drawing expression method, ball (2), 2, oil pump, 3, gear pumps (2), 4, cutter head (2), 5, pump 1 (2 ), 6, pump 2 (2), the fourteenth cabinet: Picture stories an assembly drawing, plain bearings, 2, gear pumps, three, cocks, 4, levers, 5, fretting agencies, 6, machine vise 7, bench vice, 8, reducer fifteenth cabinet: a standard, internal processing thread, 2, threaded connection painting, 3, bolt connection, 4, screw connection, 5, stud connection, 6, hex head bolts, 7, stud, 8, slotted cheese head screws, 9, slotted countersunk head screws, 10, slotted pan head screws, 11, slotted set screws with flat, 12, Ⅰ type hex nuts, 13, flat washers, 14, spring washers, sixteenth cabinet: Problem model Total: 35 (including; seat, intersecting lines, bearing, etc.)