What is a fixture?

Question 1: What is a jig? The concept of a jig is a large category of tools for carpentry, ironwork, fitter, machinery, electronic control and other handicrafts. It is mainly used to assist in controlling position or movement ( or both).

Regarding the classification of jigs, jigs can be divided into three categories: process assembly jigs, project testing jigs and circuit board testing jigs. Among them, process assembly jigs include assembly jigs, welding jigs, disassembly jigs, dispensing jigs, irradiation jigs, adjustment jigs and shearing jigs; while project testing jigs include life test jigs. , packaging test fixtures, environmental test fixtures, optical test fixtures, shielding test fixtures, sound insulation test fixtures, etc.; circuit board test fixtures mainly include ICT test fixtures and FCT functional fixtures , SMT passing fixtures, BGA test fixtures, etc.

3. It has been widely used before the industrial era, including mechanical fixtures, woodworking fixtures, welding fixtures, jewelry fixtures, and other fields. Certain types of jigs, also called "molds" or "auxiliary tools," are primarily designed to provide repeatable and accurate reproduction of a part. An obvious example is when duplicating keys, the original key is usually fixed on a jig, so that the machine can copy the new key based on the appearance of the original key.

Many jigs are produced because of business needs, because there are many types of jigs that are customized, some to increase productivity, repeat specific actions, or make work more precise. Because the design of fixtures is basically based on logic, similar fixtures may be produced separately because they are used at different times and places.

A drilling jig is a tool that can be used to guide twist drilling equipment or other drilling devices to the exact center of each hole by moving the mold and can be used on multiple interchangeable parts. To speed up the type of jig that is repeatedly positioned in the center of the hole, in ironworking practice, a typical practice is to leave a hardened bushing in each hole of the drilling jig to prevent the twist drill from cutting into the jig.

Due to the widespread use of CNC machine tools (CNC) in the manufacturing industry, in which servo controllers (servocontrols) have the ability to automatically move the tool to the correct position, a drilling jig (and the use of drilling jig operators) is required. work) than before.

The main uses of the furnace jig:

Question 2: What is the specific difference between the jig and the mold? This refers to the fact that in the stamping industry, certain steps that cannot be completed at one time when the mold stamps out the product (such as cutting, partial forming or bending) must be completed by the jig. First, the raw material strip is stamped by the mold. The punched out product strip is stamped again (cut, partially formed or bent) by the jig to get the product the customer wants. This is the relationship between the jig and the mold. relation. If there is any difference, I can only answer you this way: the mold has many stations, ranging from a few to dozens, while the jig only has one or two stations.

Question 3: What does the jig of the machinery factory mean? Does anyone know? A jig is a large category of tools for carpentry, ironwork, benchwork, machinery, electrical control, and other handicrafts. It is mainly used as a tool to assist in controlling position or movement (or both). Fixtures can be divided into three categories: process assembly fixtures, project test fixtures and circuit board test fixtures. Among them, process assembly jigs include assembly jigs, welding jigs, disassembly jigs, dispensing jigs, irradiation jigs, adjustment jigs and shearing jigs; while project testing jigs include life test jigs. , packaging test fixtures, environmental test fixtures, optical test fixtures, shielding test fixtures, sound insulation test fixtures, etc.; circuit board test fixtures mainly include ICT test fixtures and FCT functional fixtures , SMT passing fixture, BGA test fixture and CCD test fixture.

Question 4: What is a fixture? It is divided into two categories: fixture and jig

The specific encyclopedia explains it in detail

Fixture: baike.baidu/view /302194?fr=ala0_1

Fixture: baike.baidu/view/689021?fr=ala0_1_1

Question 5: What is a fixture? Regarding the exact definition of a fixture, I haven't found it (there is no need to pursue it, it is enough to know what it is), I think it is: an auxiliary device made specifically to solve practical problems or realize a certain function. The characteristics are: simple structure, wide application, and various types. It can be a piece of iron or a piece of equipment. For example, if a grinder uses a stop, it can be called a jig; for example, a Hi-pot testing machine can be called a jig. (Note: The term originates from Japan, we call it a fixture)

Clamps and fixtures in the electronics industry can be roughly classified into pressing, bending, cutting, riveting, welding, testing, and fixing. Of course, they can also be used It is divided into two categories: ordinary and special. It depends on personal preference or waiting for the professional secretary to sort out the regulations. Basically, in addition to electrical testing and welding, most factories have their own design departments or simply make their own products. It can be concluded that wherever there is an electronics factory, there will be clamping jigs; where there is no electronics factory, clamping jigs abound.

In a sense, fixture design can better train a person's abnormal analysis and problem-solving abilities, while the design ability will be relatively weak compared to complex equipment such as automatic machines. And less important. Why do you say that? There are two reasons:

1. The jig is designed based on the principles of simplicity, ease of use and safety, which is reflected in the structure and the workpiece. Therefore, if you know how to do it, from drawing to assembly to successful debugging, it takes almost no effort. However, the objects served by fixtures are often difficult products that cannot be automated and are difficult to operate manually. At this time, you will often have a headache. If the problem is not the machine itself, but lacks the ability to analyze abnormalities and identify and solve problems, You will be confused and deceived, you will be disturbed, and your hair will look like a hedgehog every day:)

Most of the basic production processes in most factories (especially in mainland China) are still dominated by people, and the fixtures play an auxiliary role. sexual effect. Because the structure is relatively simple, sometimes it is really troublesome to implement a "complex" function or solve some difficult problems. However, the supervisor or the talents in other departments don't care about this. They usually say, so-and-so, the production line XX has many defective products. , you get a jig or improve the existing jig. Simple solution, of course no problem. If you encounter trouble, your ability to analyze and solve problems may be tested. Once you find the cause and countermeasures, it will only take two or three days to design a fixture because it is simple. Sometimes, the production line will come to you with a lot of defective products to settle accounts. If you can't find "counter-evidence", then you may either become a scapegoat inexplicably, or you may spend a lot of time to find the reason, and then vomit blood 30 two.

2. Usually when designing clamping fixtures, the most important consideration is often not the machine itself, but the product or process. No matter how it is done, the cost of each set of fixtures is not much different (the project cost is also limited ), even if it costs an extra 30,000 to 50,000 yuan, the company can still accept it; if you have rich product and process experience, you can often gain insights into opportunities, propose improvements to possible product problems before production, and at the same time draw up a reasonable and efficient plan. The production plan is then refined to the production of fixtures at each work station, thus ensuring long-term cost control and efficiency improvement. This part is what the company cares about most. There are many solutions for the jig at the same station, and sometimes it is necessary to comprehensively consider product characteristics, production capacity requirements, cost control and other factors before finalizing it. This process is actually more of an analysis ability other than machinery, rather than simply the so-called design. ability. In other words, an excellent clamp and fixture designer should be knowledgeable about products, processes, and designs at the same time. Otherwise, the level will be lower, no matter how beautiful the drawings are and how clever the fixtures are. In fact, I believe that designers who do not understand the product or process will not be able to make decent fixtures, and may even create trouble.

Of course, emphasizing problem analysis and solution capabilities other than machinery does not mean neglecting the function of machinery itself.

On the contrary, mechanical designers must arm themselves with design ability and level as the most basic and important "fist", and they must pay attention to continuously improving themselves in all aspects, otherwise they will easily fall behind, at least many cases will be difficult due to difficulties. Or they have no clue and often make excuses: Boss, this thing is difficult to do! In fact, the same problem may be overcome or solved by other manufacturers or others.

I have always believed that there are many things that designers need to consider when formulating a design plan, and a large part of it is outside of machinery. Mechanical technology has developed to this day, and it is already very mature. Why we still encounter various thorny problems, and why there are still some technical difficulties that are insurmountable, to a large extent, have to do with factors other than these machines that are developing faster and changing almost every day. For example, Motorola’s requirements for mobile phone connector terminals have changed from the previous 0...>>

Question 6: What is the difference between a jig and a mold? Please tell me, of course, the jig It also belongs to the tooling for producing products, but its function is auxiliary. Not directly involved in product shaping. Supplement:

1. The word "jiji" is directly translated from the Japanese Chinese characters. Because Japan has ruled Taiwan for a long time, Taiwan has become accustomed to the word "jiji". As Taiwan As merchants entered the mainland in large numbers, "jigs" also entered the mainland, so "jigs" are a typical foreign word. Let's take an example to illustrate: To install two screws on a curved electrical product, the operator holds the product in his left hand and the electric batch in his right hand. This operation is OK for a short time, but over time it will cause excessive fatigue of the employees and reduce efficiency. The quality will decrease. At this time, the process engineer must consider making a jig to assist the operation.

Common jigs include: automation equipment, tooling jigs, test jigs, SMT passing jigs, precision parts, blades, DVD reading heads, etc.

2. Molds are various models, templates and tools used for molding in industrial production.

In short, molds are tools used to shape objects. This tool It is composed of various parts, and different molds are composed of different parts. It mainly achieves the processing of the shape of the object by changing the physical state of the molded material.

Question 7: What is a tooling jig? A jig is a large category of tools for carpentry, ironwork, fitter, machinery, electronic control and other handicrafts. It is mainly used to assist in controlling position or movement (or a tool for both). Because Taiwan was ruled by Japan for a long time, it became accustomed to the word "jiji".

Question 8: What is a mold fixture? What is the difference between mold and mold processing? Mold fixture is the collective name of mold and fixture, because most products need to be processed after the mold is formed. This requires processing on the machine, and the machine requires a jig, so when we evaluate the production of a product It is necessary to evaluate how many mold fixtures need to be made, hence the name.

Question 9: The difference between fixtures and fixtures. The two words "fixture" and "fixture" are often confused or even misused due to their similar uses.

Mainly used as a tool to assist in controlling position or movement (or both), focusing on working and guiding the tool; the clamp focuses on holding the tool in a fixed position. Some devices that have both functions (controlling and guiding the tool) are also called jigs, but devices that only hold but do not guide the tool are called "jigs" rather than "jigs."

Question 10: What is a fixture and a mold in a simple way? Fixtures are also called fixtures, which are auxiliary tools in the production process, such as injection fixtures, assembly fixtures, measurement fixtures, etc.; they are not in the same category as mold design. Hope this helps.