Cutting quality factors and control
Cutting quality factors and control
1. When the direction of the wooden side is cut into thin wood, the direction of the clamping of the wooden side, that is, which end of the side is cut,
Which side begins, has a great impact on the quality of the thin wood, considering that wood is a heterogeneous material,
The material of the material is different in the morning and evening, and the fiber, the wood ray, the annual ring, etc. are arranged in a certain direction, in order to obtain the table.
The smooth and flat wood must pay attention to the direction of the cutting. It is required to cut along the fiber, the annual ring and the wood ray.
The longitudinal direction of the fiber is mainly considered in the direction of the fiber (as shown in Figure 6-8), (a) is the direction of the fiber cut,
(b) For the direction of the reverse fiber, the over-crack is easy to enter the surface of the material, which causes the silk to make the surface of the thin film unclean.
The horizontal cutting direction mainly considers the direction of the annual ring and the direction of the wood ray. The material of the early and late materials of the coniferous wood is very different, so the main should be
In the direction of the annual ring, and the broadleaf wood, especially the wood ray is relatively rich, it should be cut along the wood ray, on the annual ring
The forward direction of the wood beam is shown in Figure 6-8. Generally when cutting radial thin wood, as shown in Figure 6-9, from (a)
The state of the clip begins to be cut. When the planing direction is parallel to the direction of the wood ray, the wooden side is lowered and the shape of (b) is pressed.
Type, bottom-up re-clamping, which guarantees the quality of the cut, but with a thin wood texture shaved from the first half of the wood
Not continuous, but in the form of (c), do not turn the bottom up, only when cutting the string to the thin wood, as shown in Figure 6-10 (a)
The wood of the left and right symmetrical shape can obtain half of the quality of the thin wood with poor quality, so as shown in Figure 6-10(b)
For the asymmetric wood, the wooden core should be placed on the side where the cutting is started, so as to ensure that most of the thin wood quality is installed, and the wood is cut.
It should also be considered accordingly. According to the installation form of the planer, it can be divided into a table edge type and a back edge type. Back-edge cutting quality is better.
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