Machining the Horizontal and Vertical bronze

Most of the bronze sword from the Ministry of the grid to the front three lines, showing the angular processing state. Angular reflected in the two faces from the Ngok (edge) of the dividing line between the two lines all the way to the front, two from the middle of the ridge line, two from difficult to see the wear scar. If you use hand-sanding, the edges will wear bald. By hand will not reach the angular effect, indicating that most of the bronze sword after machining after the casting. The local wealthy businessman Song Jinjian hastily brought his family rushing to the bronze.  This processing state to the grid under the corner, but regardless of the use of hand grinding or by mechanical processing, machining the horizontal and vertical grid Ministry from the Ministry of joint angles, are unlikely to be processing and clearing angle. The author has used Molding technology for the casting of bronze swords, the whole cast, cast grid Ministry from the Ministry of joint angles always reach the money angle, or showing an obtuse angle, or because of the grid and from the thickness difference appear angles solidification contraction into the groove.
Fourth, the stems of the rivets What role. In the stem of a number of bronze swords, you can see the obvious rivets, such as Yue Gou Hubei Wangshan Tomb unearthed bronze sword is an example. The rivet of Gou bronze sword in the stem near the first, and some bronze sword rivets in the stem near the grid. They see a round bronze with straight ears and column foot. From the structure of the bronze sword, the concentric circles are connected with the stem cast, since the cast is then on the rivet What role is unknown. Grid and for the entire cast, then the entire cast rivet stems near the Ministry of the grid even be impossible to explain its role. Since the existence of the rivets, the inevitable need for its existence, the problem for a long time not to explain. Fifth, the bronze Jianji convex line out how processing. There are a considerable part of the ridge of bronze sword, raised a straight cut from the grid down to the bronze blade, its profile as a small hemisphere.
Figure 4 assume a horizontal wheel grinding this bronze sword body envisaged plans, it is clear that the horizontal grinding does not work, the wheel is bound to the spine of the raised line polished Moreover, the wide diameter of the wheels and bronze sword proportion should be than the figure wheels. Envisaged figure shows horizontal machining cast bronze sword, do not leave we see a ridge, raised a semicircle straight line of bronze swords. Mouth rims of the bronze were decorated with taotie motif and animal mask engraved on the feet. The sixth, the Ngok Ministry of angular how polished out. The majority of bronze sword E and occupies a position in the two surfaces of the blade of the bronze appears distinct from the grid to the front edges of the four lines, rarely see the lines of the bending phenomenon. Cast polished by hand, it is difficult to achieve so regular, should be used machinery and equipment of a similar wheel grinding made.
 The entire cast of the assumptions bronze sword body to the posterior longitudinal analysis to the grinding process envisaged map, we can see from the figure, where a one-time casting a grid of bronze sword, whether it is wide grid, narrow cell or ornamentation grid, even if the wheels grinding surface made of the arc will be between the grid and from the angles and the grid than from, causing the wheel can not grind to the grid and from the angles at. This bronze is solemn in shape and beautiful in decoration. Narrow cell is generally higher than in these three cell straight, wide grid and ornamentation grid there are arc-shaped, not only along the surface from the arc-shaped facade was also isolated in cell shape, it is wide in the middle on both sides of narrow, or even many chinese bronze from the edge.