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Through a number of roots through a unique technology processing
The mortise and groove process is made of plastic or high-grade wood, which has the characteristics of hard texture and toughness. The construction principle of the mortise and groove process is through a number of wood strips processed by a unique technology, without nails, rivets and any adhesive and other external auxiliary conditions or any means, but the use of the combination of the mortise and groove itself, so as to form from different angles and different directions can show different shapes of wood mortise and groove crafts. [1]
Chinese name
Through a number of roots through a unique technology processing
For bite and seal
Characteristic point
It's hard and tough

Historical background



The mortise and groove process began more than 2,000 years ago. It is said that when Lu Ban's ancestral teacher began his education, the teacher asked him the topic of "Trinity work Method". That is, three wooden strips are combined into a "zigzag" that can show different shapes from different angles.


In modern processes, aluminum alloys, Plastic steel The joints of the doors and Windows are connected by this method in accordance with the requirements of the "Construction Acceptance Code for Building Decoration Engineering". The purpose is to occlude and seal. [1]

Representative figure

Artist Sha Yingkui's generations of ancestors have been engaged in research and exploration of this ancient craft. Saingq started with a combination of three wooden strips and mortises, and developed into a multi-faceted pyramid with six, nine, and 40 wooden strips and 108 wooden strips. The fable of mortising with 600 pieces of wood Mouse wedding "(group); Made of 3,500 wooden strips The Nine Dragon Wall ", etc. In 1991, Sha Ying Kui completed the world's first, a multi-faceted pyramid composed of 1,200 wooden strips and 23,000 mortises. Its mortise and groove process was awarded "Special products mortise and groove" by the state Structural method "Invention patent. [2]

Common form

Solid wood furniture In production, the vertical and horizontal connections of square materials are usually mortise and mortise connections, while the longitudinal connections are usually mortise and tenon springs, and the transverse connections along the width are often notched connections.
Generally speaking, the mortise groove in the direction of the fiber is commonly known as the mortise groove and the mortise spring, the mortise groove in the direction of the transverse fiber is commonly known as the notch or cut, and the local non-penetrating gap is commonly known as the notch. [2]


Four-sided planer is the most commonly used equipment for the production of mortise and groove, mainly for the production of longitudinal grooves, which is the most common mortise and groove connection method in furniture production.
Because the four-sided planer can generally only process the through groove in the direction of the length of the part, but for the parts that need to be tenon at the end of the door frame, it is usually necessary to customize a pair of matching male and female knives.

Milling machines

The corresponding tenon plate knife is installed on the vertical shaft, and the tenon groove can be opened on the side or end of the square material. The depth of the tenon groove can be controlled by adjusting the extension of the tool relative to the guide ruler.
For dovetail and hollow tenon, it is usually difficult to process with other equipment, in this case, it is generally necessary to customize the handle milling cutter corresponding to the notch and use the router to work.

Circular saw machine class

Due to the thin thickness of the circular saw blade, the notch is generally 3~5mm through a narrow slot.
Due to the large diameter of the circular saw blade, the adjustment range of the notch depth is large, which is suitable for the processing of various notches and notches, and the quality of the saw edge is good, and it is not easy to break.
In addition to the soft curves, Furniture of Ming and Qing dynasties The most impressive is its mortise and tenon structure. As an ancient saying goes, "Tenon and tenon are always strong." Without nail glue can make the object firmly formed, this structure not only conforms to the principle of mechanics, but also attaches great importance to practical and beautiful, consistent with the traditional "heaven and man" philosophical thought. [2]