What is parting lock?
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What is parting lock? Parting lock is also called nylon mold clamp, resin shutter, nylon mold lock, resin mold clamp, nylon resin shutter, etc. It is a mold component that adjusts the friction between the template and the nylon sleeve by locking the tapered bolts.
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Plaster mould casting is a metalworking process that uses plaster of paris moulds instead of sand. The plaster is mixed with additives to improve its strength and permeability. The process involves spraying a pattern with parting compound, pouring plaster around it, baking the mould to remove water, and then pouring molten metal into the mould cavity. It produces parts with good surface finish and accuracy, and can be used to cast small and complex non-ferrous metal parts.
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The AJM process involves removing material from a workpiece using abrasive particles carried by a high-velocity gas stream. The abrasive particles impact the workpiece surface at high velocities, causing brittle fractures and removing small fragments of material. AJM can machine hard and brittle materials and reach difficult internal areas due to the flexible hose used to direct the abrasive stream. It generates less heat than conventional machining and does not require direct tool-workpiece contact. Common applications include cutting glass and ceramics, deburring metal parts, and cleaning or dressing grinding wheels.
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This document describes a press member for garment pressing machines. It consists of gritty particles secured to a rigid backing member. The gritty particles are resistant to crushing, heat and moisture and have sharp edges. This creates an irregularly roughened pressing surface that eliminates wrinkles and creates sharp creases without imparting shine or moire patterns to fabrics. The gritty particles form a layer between the fabric and backing member to prevent any patterns on the backing from being transferred.
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Abrasive jet machining involves a high velocity stream of gas or water mixed with abrasive particles being directed at a material to remove it. The process uses a mixing chamber to combine the abrasive particles like aluminum oxide or silicon carbide that are 10-50 micrometers in size with a gas like nitrogen or air. This mixture is then passed through a small tungsten carbide nozzle at speeds of 150-300 meters per second to machine the material.
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This document summarizes the manufacturability and reliability challenges of implementing 0.3mm pitch chip scale packages (CSPs) and quad flat no-lead packages (QFNs). Key challenges include fine trace widths and spacing on PCBs, smaller stencil apertures and solder pastes, increased thermal cycling fatigue from higher die ratios, and potential for electrochemical migration due to trapped fluxes under packages. Success will require leveraging lessons from other technologies like wafer bumping and applying best practices for profiles, cleanliness and inspection to understand interconnect robustness.
Basic requirements for plastic injection molded part design
Plastic Part Design Basic Requirements
Unreasonable design of plastic injection molded parts often results in some inherent defects in the product. For example, the structure of the parts is unreasonable, the parts use too much material, etc. Here are a series of basic requirements for plastic injection molded parts design for reference.
What is a mold clamp used for?
The mold clamping is an area where the processor (mold setter) has significant influence over the cost of the molding parts.
Solder Paste Screen Printing
The document discusses improving the quality of SMT solder paste printing processes using Six Sigma methodology. It describes how the DMAIC process was used to identify key printing parameters, conduct experiments to understand their impact, and optimize the process. Testing found the average paste thickness increased from 137.95μm to 144.98μm while reducing variation. Process capability improved from 1.16 to 3.16 indicating a significant quality enhancement.
W2 Standard Adjustable Crimping Tool
The W2 Standard Adjustable Crimping Tool, has virtually limitless application within the specified wire range of 12AWG (3.33mm2) through 26AWG (0.128mm2). Over a thousand turret heads are available to adapt the tool frame to your specific military or proprietary contact/wire combination. The 8 impression crimp, which is standard in the W2, assures absolute maximum tensile strength with almost every closed barrel contact. Special indent configurations and gaging are available upon request.
What is cold forging?
The cold forging, cold extrusion, and cold heading are general terms for plastic processing. Cold forging, also called cold volume forming, is a manufacturing process and a processing method. Cold forging is the forming process below the recrystallization temperature of the material, and the forging performed below the recovery temperature.
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What determines high performance plastics
The following six factors determine the high-performance plastics.
(1) The type of polymer determines high-performance plastics
The performance is also different because of the different polymer links, such as acetal resin (POM) impact strength, then the unsaturated polyester resin (UP) is more excellent. Even if the same material, structure, and polymerization degree are different, the performance varies significantly.
What is mold temperature in injection molding?
The mold temperature in injection molding is probably the most important temperature in terms of quality and this affects quality in many ways. The mold temperature is not the same thing as the cooling water temperature, it is the temperature of the actual mold cavity after it has stabilized.
Progressive stamping die
What is progressive stamping die?
Progressive stamping is a metalworking method that can encompass punching, coining, bending, and several other ways of modifying metal raw material, combined with an automatic feeding system. The feeding system pushes a strip of metal through all of the stations of a progressive stamping die.
The progressive stamping die refers to a cold stamping die that uses a strip of stamping raw material to complete multiple stamping processes simultaneously with several different stations on one die in one stamping stroke, and the material strip moves at a fixed distance once for each stamping stroke until the product is finished.
How to design injection molding product?
Reasonable product design and mold design are key technologies that affect the success of injection molding. This article introduces some basic principles of injection molded product design and mold design.
1. The basic conditions of plastic product design
1.1. Record the product usage conditions as detailed as possible.
These conditions are:
A. Use environment
Outdoor conditions (sunlight, rain, ice, snow, dust), sunlight (ultraviolet rays, radiation, etc.), contact with gas (corrosive gas, water vapor), contact with liquid (water, detergent, oil, medicine, etc.), other (plasticizers), copper);
B. Use intensity
Common temperature, maximum temperature, minimum temperature (usually, special circumstances, outdoor, warehouse, window, car, etc.), repeated cold and hot
C. Use load
Common load, maximum load (normal, special circumstances. Static, dynamic, repeated, continuous, impact, drop, etc.).
The name and function of mold components
This document introduces 60 types of mold components used in stamping dies, plastic molds, or automation equipment exclusively for the mold industry. It begins by explaining that mold components refer to the general name of metal accessories used. It then provides brief 1-2 sentence descriptions of 5 components: sprue bushing, position locating ring, guide pin, angle pin, and sleeve pin. The document aims to provide an overview of the various components that make up molds.
How to remove mold dents?
1. Causes of dents
1.1 The thickness of each part of the product is different
1.2 Insufficient pressure inside the mold
1.3 Insufficient mold cooling
1.4 Deformation due to the insufficient cooling time
Precautions for injection mold maintenance
Injection mold, as the most important production tool of injection molding factory, determines the shape, specification, size and appearance finish of the product. The material of the mold is steel, which is generally composed of a front mold and a back mold.
What are the key points of precision injection molding
Precision injection molding is affected by many related factors and environmental conditions, and the most basic are the four basic factors of plastic materials, injection molds, injection molding processes, and injection molding equipment.
In the early stage of designing plastic products, engineering plastics with corresponding performance requirements should be selected according to the application environment.
Secondly, the appropriate injection molding machine should be selected according to the selected plastic material, finished product dimensional accuracy, part weight, quality requirements, and expected mold structure.
Five elements of injection molding process parameters
The injection molding process is one of the four major plastic molding processes. The barrels, basins, toys, and other daily products we use in our lives are all formed by the injection molding process. So what are the important factors to pay attention to in the plastic injection molding process?
The completion of the injection molding process generally requires six processes of clamping, filling, holding pressure, cooling, demolding, and opening the mold. In these six processes, we must remember these five elements, namely pressure, speed, position, temperature, and time.
14 FAQ in the field of mold manufacturing
This article answers some common questions in the field of mold manufacturing in the form of questions and answers.
What is the 4 process of plastic injection molding?
The plastic injection molding process mainly includes four stages: filling, holding pressure, cooling, and demolding. These four stages directly determine the molding quality of the product, and these four stages are a complete continuous process.
10 plastic injection molding methods
Plastic products are made of a mixture of synthetic resin and various additives as raw materials, using injection, extrusion, pressing, pouring, and other methods. While plastic products are being molded, they also obtain the final performance, so plastic molding is a key production process.
The following are 10 common plastic Injection molding methods.
How to solve flow lines in injection molded products?
This document discusses different types of flow lines that can occur in injection molded products and methods to solve them. The four main types of flow lines are: 1) Snake lines from unstable jet flow, 2) Wave lines from inconsistent melt flow speeds, 3) Radial lines from melt fracture, and 4) Fluorescent lines from molecular orientation. Solutions include optimizing process parameters like injection speed and pressure, increasing mold/melt temperatures, changing gate and cavity designs, extending runners, and applying post-molding heat treatments.
How to deal with sink marks on the surface of injection molded products
Uneven product wall thickness causes uneven surface shrinkage and sinks marks.How to deal with sink marks on the surface of injection molded products?
Secrets of injection molding process adjustment
The close relationship between injection speed and product quality makes it a key parameter of injection molding. By determining the start, middle, and end of the filling speed segment, And to achieve a smooth transition from one set point to another set point, a stable melt surface speed can be ensured to produce the desired molecule and the smallest internal stress.
What is the difference between blow molding and injection molding
What Is The Difference Between Blow Molding And Injection Molding?
First, the process is different
Blow molding: Blow molding uses gas pressure to inflate the hot parison closed in the mold into a hollow product, or the tube parison is inflated into a tube film without a mold.
Injection molding: injection molding is to melt plastic materials, and then inject them into the film cavity to form.
What is blow molding
Blow molding is a manufacturing process for forming and joining together hollow plastic parts. It is also used for forming glass bottles or other hollow shapes. In general, there are three main types of blow molding: extrusion blow molding, injection blow molding, and injection stretch blow molding.
What is the inclined top mold?
The inclined top mold is also known as the inclined tip. It is the mechanism used to mold the internal barbs of the product in the mold design. It is suitable for relatively simple barbs.
How to design injection mold air vent?
Appropriate opening of the injection mold air vent can greatly reduce the injection molding pressure, injection molding time, holding time, and injection mold clamping pressure, making the plastic parts from difficult to easy, thereby improving production efficiency, reducing production costs, and reducing the energy consumption of the machine.
How complex molds are demolded dynamic pictures
Today we will share with you a wave of dynamic pictures of how complex molds are demolded, including rotary core pulling, complex slider mechanisms, complex inclined top mechanisms, and so on. These dynamic pictures can be said to be the essence of a set of molds. We recommend everyone to collect them. They can really help everyone to increase their knowledge.
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Five elements of injection molding process parameters
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What is parting lock?
- 1. www.moldclamps.net info@moldclamps.net 0086-17322110281 DGMF Mold Clamps Co., Ltd mingfeng425@gmail.com Please browse our website or contact us for more articles, thank you. What is parting lock? Parting lock is also called nylon mold clamp, resin shutter, nylon mold lock, resin mold clamp, nylon resin shutter, etc. It is a mold component that adjusts the friction between the template and the nylon sleeve by locking the tapered bolts. Parting lock function and characteristics: 1. Adjust the friction between the template and the resin by the inclined screw, and the mold can be closed about 50,000 times for about 1/4 turn; 2. It is easy and simple to take off and unload the mold device; 3. This device can also be used on the workpiece with a small nozzle plate and hitting plate or the second section to eject the small nozzle or slide; 4. For mold weight below 100KG, use 4 pieces of 12D, under 500KG, use 4 pieces of 16D, and under 1000KG, use 4 pieces of 20D; 5. Colors: four kinds of color, white, yellow, orange, blue, blue one can withstand a high temperature of 160 degrees. The parting lock uses special nylon material, which has good wear resistance and heat resistance. Although the heat resistance temperature of the nylon sleeve is 150 ° C, in actual use, it is
- 2. www.moldclamps.net info@moldclamps.net 0086-17322110281 DGMF Mold Clamps Co., Ltd mingfeng425@gmail.com Please browse our website or contact us for more articles, thank you. constantly subject to the locking stress of the tapered bolt The effect of this will lead to a decrease in the durability of the nylon sleeve. Generally, the normal use temperature is below 80 ℃. Material: nylon resin + high strength alloy steel Tolerance: ± 0.002 ㎜ Material and hardness Material SCM435 resin nylon Hardness 33-38HRC How to install the parting lock on the mold? Parting lock installation: The surface roughness of apex mirror processing can reach 0.1s or less and can carry out text engraving processing, which is widely used in semiconductor packaging molds. It can carry out a variety of post-processing such as surface chrome plating, tip lettering, etc. These products have high hardness, good toughness, excellent wear resistance, and heat resistance, and are more suitable for precision molds, which can significantly increase their service life, especially the hot shape of precision molds has been effectively controlled. After the surface treatment of this type of product, the surface of the product has higher hardness, wear-resistance and corrosion resistance. The internal hardness is low and the toughness is particularly good. It is suitable for molds in high-temperature operating environments. Installation method and precautions • Embed the nylon sleeve to about 3mm of the movable mold template. • Finish the inner surface roughness of the fixed template hole to 1.6-0.2. Round the R of the template face insertion opening. If the C chamfer is processed, its durability will be reduced. • Dimensional tolerance reference of the hole: H7 reaming, based on H7 reaming ~ +0.1. • If special bushings are used, the above rounding R and polishing steps can be omitted. • Adjust the required pulling force according to the tightening amount of the cone bolt. Parting lock Installation warning: No need to use a lubricant. Otherwise, it will reduce friction and reduce its original function. Rough standard of parting locks usage: Parting lock model usage quantity Mold weight DGMF-PL10 4 sets under 100kg DGMF-PL13 4 sets under 250kg DGMF-PL16 4 sets over 250kg DGMF-PL20 4 sets over 300kg If you need to purchase the parting locks, please do not hesitate to contact us, thanks.