5 Best Herman miller plastic molded chair in 2021

Basic conditions for plastic mold production


As the content of previous articles, we have provided our readers with 4 ways to create Herman miller plastic molded chair. To be able to produce plastic products, molds are needed. Depending on the manufacturing method, different types of molds are used with different structures, names and modes of operation, such as: blow mold, extrusion mold, suction mold, and casting mold.

In this article, we will describe the basic conditions for operating a plastic molding factory, serving the plastic injection molding industry.

Herman miller plastic molded chair 

To be able to operate a Herman miller plastic molded chair factory, the following conditions are required.

  1. Personnel team.
  2. Mold design team.

This is the team that determines the feasibility of mold production. Each mold manufacturing company must have at least 1 to 3 design staff. To be able to design quality molds.

These designers must have the following abilities:

  • Skilled in using 2D, 3D drawing software such as AutoCAD, Creo, Solid works, NX, cimatron, ....
  • Having knowledge of mold design such as mold separation, understanding the structure of a set of molds.
  • Having experience in mechanical processing at least must know how to operate mechanical processing machines, cnc machining, CNC machining programming in a workshop or mold manufacturing company from 1 year to 3 years.
  • Eager to learn to develop themselves, dare to commit to each day improve professional qualifications and design skills.
  • And other skills at work.

Programming staff and personnel operating mechanical processing machines.

To process a set of Herman miller plastic molded chair. It is a lot of mechanical processing machines are needed. Therefore, it is necessary to have a staff with experience in programming. And the operating mechanical processing machines. Specifically, the staff is as follows:

  • Specialist cnc milling programmer, cnc lathe.
  • Technician operating cnc milling machine, cnc lathe
  • Personnel operating universal processing machines such as vertical milling, horizontal milling, universal turning, flat grinding machine, drilling machine, etc.
  • Personnel programming and operating wire cutting machines, spark processing machines.

c. Personnel polishing the Herman miller plastic molded chair

Personnel polishing the mold:

The surface of the mold cavity after machining has a lot of machining marks. And this is due to the shaping properties of the machining. Therefore, to improve the surface quality of the mold cavity. It is necessary to add a polishing process to the surface of the mold cavity. This staff needs to be skilled in the use of polishing machines. Therefore, using different types of polishing tools at each stage: rough, semi-finished, fine and super fine.

– Mold assembly personnel: to assemble mold details into a complete set of molds and at the same time eliminate product errors.

– For small companies, the assembly department also takes care of the polishing staff.

d. Herman miller plastic molded chair Quality control personnel (QC).

This is the team that determines the quality of processing. And this is to ensure that the machined parts meet the dimensions and technical requirements of the design drawings. The better the quality control, the higher the mold quality and vice versa.

  1. Other support personnel: Purchasing, warehouse keeper, transportation.
  2. Sales team.

To connect customers to the Herman miller plastic molded chair, it is necessary to have a sales team that is both knowledgeable about plastic mold production and has the skills to find and consult customers. This team receives the customer's requirements and then converts it into a technical problem to discuss with the design team to design a set of molds and then extrude the plastic products that meet the customer's requirements.

2. Herman miller plastic molded chair Modern and synchronous machinery system.

To produce a quality mold on time, there are many stages, each of which is performed in a certain machine. Therefore, the machinery system is an important factor determining the quality and progress of plastic molding processing. The basic machinery system is as follows:

  1. Universal processing machines:
  2. Also, such as vertical milling machines
  3. horizontal milling machines
  4. moreover, vertical lathes
  5. furthermore, drilling machines
  6. In addition, drilling machines
  7. flat grinding machines
  8. Also, insert grinding machines
  9. stone cutting machines, ...
  10. Wire cutters.
  11. Electric spark processing machine.

3. Plastic injection machine for mold testing.

After assembling a complete set of molds. It is necessary to conduct trial production called mold testing. To shorten the mold testing process. It is the mold manufacturing company needs to equip a Herman miller plastic molded chair so that the mold can be tested immediately to evaluate the quality of plastic products and the quality of a set of molds.

Plastic molding machine for mold testing

  1. Working process system.


The methodical and detailed working process system helps the production system maintain quality, monitor quality, and ensure timely production progress. For plastic injection molding factories, this process system is extremely important. 

The basic process system is as follows:

  • Mold design process.
  • Also, Mold design quality assessment process.
  • Moreover, The process of machining a set of molds.
  • Furthermore, Detailed machining process.
  • In addition, Quality control process
  • Also, Assembly process.
  • Assembly quality control process.
  • Mold testing process.
  • Process of handling mold errors.

Necessary to conduct trail production

After assembling a complete set of molds, the next stage is necessary to conduct trial production to evaluate the operability of the mold and evaluate the quality of the product.

To perform this stage, a Herman miller plastic molded chair is required. A professional mold manufacturing company usually has a plastic molding machine to take the initiative in testing samples.

On the other hand, thanks to the plastic molding machine, they can maximize the needs of customers both ordering mold manufacturing and ordering plastic products. That helps customers reduce production waiting time, reduce risks in the plastic molding process, and ensure the confidentiality of the product's production.

Reputable and quality manufacturing company

Above are 5 criteria for choosing a reputable plastic molding company to help customers evaluate and choose an experienced, reputable and quality manufacturing company. Successful entrepreneurs often have a saying "Choice over effort".

When customers have the criteria to choose the right mold making unit, they will avoid worrying about choosing between cost and quality. At the same time, evaluate and choose the right mold manufacturer to give full trust instead of looking for the cheapest mold offering unit.

Only inexperienced mold manufacturers will offer quotations in the direction of market dumping.


Above are the basic conditions for operating a Herman miller plastic molded chair. Because there are many machines and equipment, many stages, many control steps, the time to manufacture a mold is usually from 1 month to 1.5 months. The author of the article is looking forward to receiving your contributions.


Plastic Window Trim Molding: 6 Practical Tips

Introduction of Plastic window trim molding

The quality of the plastic window trim molding sample directly affects the plastic product, determining the accuracy and aesthetics of the product. A standard plastic injection mold can yield many quality plastic products.


Businesses, manufacturers and consumers always demand high quality. Therefore, we should look for a reputable, long-term unit to learn and cooperate

Evaluation of the quality and reputation of plastic window trim molding

Whether each manufactured plastic product is appreciated or not depends much on the plastic injection mold. From design shape to gloss, aesthetics, and durability of plastic products are all regulated by plastic injection molds. Therefore, a reputable mold making unit must ensure the following factors:

Durability and productivity of the Plastic window trim molding

Experienced mold design team to design quality Plastic window trim molding. The design must meet structural standards, have high feasibility in terms of processing and assembly, and durability and productivity. The injection mold is capable of mass production in large quantities.

Mold materials are suitable for the expected output and quality of the pressed product. The injection mold ensures quality, has high strength, high durability, and avoids damage during pressing.

After manufacturing, the injection mold must have high precision, standard surface gloss, and work well. Injection molds can produce identical products during the entire production process.

Time is important for Plastic window trim molding

The time of each injection molding cycle is minimized, contributing to increased production efficiency.

The structure of the mold is suitable for the type of plastic injection machine to bring the best production efficiency. It is possible to produce quality products and maintain the durability of the mold.

Strict and methodical mold production process; complete, synchronous and modern machinery system. The factory ensures production capacity and processing progress.

A team of factory workers with rich experience in the profession, with a high sense of responsibility.

Having machines to inspect molds and test Plastic window trim molding before handing over, immediately handle problems to ensure the quality of finished plastic products.

5 Criteria for choosing a professional Plastic window trim molding


Mold manufacturing in general, plastic molding or plastic injection molding is a high-tech precision mechanical industry, requiring precision, from drawing design, mold design to production stage.

Therefore, not enterprises with precision mechanical processing equipment can produce molds. Because in addition to the physical and human factors, there must be a "skilled" technical and management team.

Therefore, to help customers, choose a reputable and quality plastic molding company, we offer "5 criteria for choosing a reputable plastic molding company" with just a glance.

Customers can "read" their mold making skills as follows:

Criterion 1: The sales team is knowledgeable about molds, mold structure, and enthusiastically advises on solutions for Plastic window trim molding.

Plastic products on the market come in all shapes and sizes, with many different textures and shapes. Therefore, it also sets different requirements for mold structure and different mold technical solutions to meet the requirements of each plastic product.

Technical solution of the Plastic window trim molding

Therefore, to concretize customer requirements into technical solutions, the sales team of mold manufacturing companies must have both business skills and knowledge of plastic products, knowledge of production capacity of all kinds of plastics, knowledgeable about plastic mold structures to advise customers on the most economical solutions.

At the same time, it is necessary to accurately calculate the cost of mold making, the risks in the mold making process, the technical requirements of the product to offer a suitable offer price to bring benefits to both parties.

Criterion 2. Modern and synchronous machinery system suitable for mold industry.

Mold manufacturing includes many stages, many parts to handle the processing of details in a synchronous and timely manner to ensure the accuracy and flexibility of the business.

Therefore, Plastic window trim molding manufacturing companies often must equip themselves with a lot of machinery and equipment to ensure the "right, enough, even" synchronization while ensuring accuracy and modernity

Basic Machinery system of the Plastic window trim molding

CNC milling machining center: can have vertical milling machine, horizontal milling machine, spindle speed from 10,000 rpm or more. To improve productivity and efficiency, cnc milling machines can be used for milling, semi-calculation and finishing. These machines are used for shaping punching plates, die plates of molds and sub-plates of plastic molds

CNC turning machining center: for processing and manufacturing cylindrical parts such as forming punches, bearings, step pins, inserts, ....

Universal machining machine Plastic window trim molding

Vertical universal milling, horizontal universal milling to process envelope sizes for mold plates. But now, a lot of mold manufacturing companies have ordered units to manufacture Plastic window trim molding shells or process mold plates according to required dimensions.

  1. Universal lathe: for repair, details during assembly.
  2. Flat grinder: to create parallel surfaces for mold plates with an accuracy of a few thousandths of a mm.
  3. Drilling machine, vertical drilling, small drilling to create cooling water lines, bolting holes, tapping holes for mold plates.
  4. Insert grinding machine to serve the grinding of insert plates during mold assembly.
  5. Dowel cutter: to size the push pins of the mold.
  6. CNC wire cutting machine: for processing complex parts, small and deep holes that cannot be processed by cnc.

Spark machine of Plastic window trim molding:

 for machining complex objects with small, tight gaps, right angles that cannot be processed by wire cutting machines, cnc milling machines.

  • Hole punching machine: to assist in making holes for wire cutters.
  • 2D measuring machine to measure the forming dimensions of mold plates.
  • wire cutting machine for processing Plastic window trim molding
  • wire cutting machine for processing plastic molding

Criterion 3: Professional mold design team.

The mold design stage is a decisive step to the success of a mold set. In order to make the customer's requirements a technical problem that is feasible in principle and feasible in terms of manufacturing, the mold manufacturing company must have a technical team to carry out the professional mold design.

This team is both good at design skills, must understand the structure of molds, and must have practical experience and design experience. At the same time, there must be enough personnel structure, specifically as follows:

Personnel design 2D, 3D drawings:

 this team will work with the sales department to simulate ideas, customer sample products become 3D design drawings for customers to visualize the product after What is the shape and size of injection molding?


Then, export the 3D drawing to a 2D detailed drawing to measure and records the dimensions to confirm the product's parameters for acceptance or compare the assembly with other details before going into mold manufacturing.

 In addition, after finalizing the 3D drawing, the customer can use this drawing for rapid prototyping (3D printing) to produce the actual product for testing and adjustment, if any.


7 Steps of Painting Plastic Trim Molding Process

Revealing the Painting plastic trim molding making process


Plastic products are widely common in our life. The production of plastic products is certainly not strange. Surely everyone knows they are created from Painting plastic trim molding.  

However, how to make plastic injection molds? What processes is necessary to create a satisfactory and accurate injection mold? Let’s learn about the plastic injection mold making process with us.

What is Painting plastic trim molding?

To produce a wide range of different plastic products, we need plastic injection molds. Depending on the require shape of the plastic product, plastic injection molds come in all sizes and types. Simply put, a plastic injection mold is a tool for creating and shaping plastic. 

They consist of many parts that are assembled together into a complete set of molds. Then, the plastic injection mold is installing on the plastic injection machine. There, the plastic is melting, then pumped into the cavity and poured into the injection mold. 

Finally, it is easy and produces a plastic product with the shape and size of the Painting plastic trim molding cavity. One plastic injection mold can produce thousands and millions of plastic products.

Desire size and shape of Painting plastic trim molding

The desired size and shape of the plastic product determines the texture of the plastic injection mold. Product output also determines the selection of materials for the injection mold materials, the selection of the accuracy of the mold details.

 The more number of injection molds, the more meticulous and sophisticated. Making high-precision plastic injection molds will determine the quality of the products created.

Plastic injection mold design

Before proceeding to make plastic injection molds, customers and manufacturers need to discuss ideas. Then, the designer outlines the shape of the product to create a plastic injection mold. To create products that require high accuracy in shape and size, the mold must have a reasonable structure. 

Quality and design of Painting plastic trim molding

The injection mold must be carefully making for easy product handling, productivity and product quality as well as the life of the mold. Therefore, the design of plastic injection molds (molds) is an important process that determines the quality of molds and products.

In fact, the Painting plastic trim molding design process includes the following steps:

Painting plastic trim molding making process

Step 1:  After receiving the design, we conduct data analysis of plastic injection molds. Consists of:

  1. Number of cavities of plastic injection mold.
  2. Also, Partition faces of plastic injection molds.
  3. However, how to take the product out of the plastic injection mold.
  4. Moreover, The position of the pump port on the plastic product.
  5. In addition, Core or solid mold.
  6. Furthermore, done plastic material
  7. Also, Plastic injection mold materials.
  8. However, Dimensional accuracy, gloss/surface roughness, etc.

In addition, the shrinkage, about the position of the product push pin; The degree of taper in terms of plastic products, presses common for production.

Base on the above analysis, the design department will draw up a complete Painting plastic trim molding drawing with all the details of the mold. From there, the factory will hold a meeting and agree on the structure, processing plan, and plan. quality control and mold assembly scheme. And the result is a complete design.

Step 2:  Buy steel and mold components.

Buy bulk steel or use base (standard mold shell). Depending on the production scale and process of each manufacturing unit, appropriate components easy to select.

Step 3:  Processing and manufacturing.

  • Workpiece forming: Edge milling, face milling and surface grinding.
  • Also, CNC machining: to shape the mold cavity and mold components.
  • Moreover, Wire cutting machining: to create parts that require high precision.
  • Furthermore, Spark pulse machining:
  • Shape positions that cannot be CNC machine and wire cut.
  • Finishing processing: to create water, create bolt holes, ....

Step 4:  Polish the surface and assemble the mold.

This is a very important step in determining the quality of the product. Painting plastic trim molding with high surface gloss will produce good quality products. Therefore, step 4 carry out meticulously to create a standard gloss.

Then proceed to assemble the injection mold. Connect mold parts and components according to the requirements of the design. The plastic injection mold becomes a complete set of molds and can work well. At this stage the injection mold is complete.

Step 5: Try plastic molding.

We will try the Painting plastic trim molding. There, the plastic easy to check for mold forming ability, dimensional accuracy, product quality, shrinkage, flatness, straightness, gloss, etc. and take corrective action.

Step 6:  Fix the existing problems, if any.

For the product to work properly and properly, the problems detected above easy to correct and rectified. The mold made must meet the correct technical requirements as the input parameters. After the repair is complete, go back to the injection mold test step.

Step 7:  Send the completed form to the customer.

Finished and qualified products easy to deliver to customers for evaluation, adjustment and approval of sample products. We always guarantee the specifications and quality of the injection mold products.

Plastic products are increasingly popular and indispensable in daily life. The demand for plastic injection mold manufacturers is increasing day by day. Finding and choosing a good unit, ensuring quality and reputation is really necessary.

Production situation of plastic injection molds in Hanoi

Currently, the demand to produce plastic products has up sharply due to the superior characteristics of plastic products. Since then, the demand for Painting plastic trim molding making units is increasing. There are many units manufacturing and processing all kinds of molds, plastic injection molds with competitive prices, diverse designs and different service quality.


Manufacturing and processing molds are very expensive in materials and time. Furthermore, product quality depends heavily on creativity and accuracy in design, machining, quality control and many other stages. Therefore, on the market today, not all units can guarantee the quality and cost of Painting plastic trim molding.