Injection Moulded Furniture Chairs

Injection Moulded Furniture Chairs refer to furniture chairs made by producing core structural components such as seat pans and backrests using the plastic injection molding process, and then assembling them with metal or plastic brackets, connectors, etc. This process forms an integrated chair body structure by injecting molten plastic into a customized mold cavity and cooling it for solidification, without the need for complex subsequent splicing. Compared with traditional chairs made of wood, metal welding or manual splicing, they have significant advantages in production efficiency, structural stability and design diversity, and are widely used in homes, offices, catering, public spaces and other scenarios, meeting the needs of different environments for chairs' lightweight, durability and aesthetics.

P&M Injection Moulded Furniture Chairs Introduction

A、Core Advantages of Injection Moulded Furniture Chairs

1. Stable Structure and High Durability

The injection-molded seat pans and backrests adopt an integrated structure without splicing gaps, which can avoid the short service life of traditional chairs caused by loose or cracked splicing joints. Common injection materials (such as PP, PA66 + glass fiber) have excellent impact resistance and creep resistance: for example, a PP chair body can withstand a static load of more than 150kg, with no obvious deformation after 100,000 sitting pressure tests; the reinforced plastic chair body with glass fiber added has a flexural strength of more than 80MPa, and its wear resistance is 50% higher than that of ordinary plastic. It can adapt to high-frequency use scenarios in public spaces (such as shopping malls, canteens), and its normal service life can reach 5-8 years, much longer than the 3-5 years of traditional wooden chairs.

2. Lightweight Design and Easy Handling

The core components of injection-molded chairs are made of lightweight plastic materials, and the overall weight is usually only 3-8kg, much lighter than traditional solid wood chairs (10-15kg) and metal chairs (8-12kg). For example, a household PP injection-molded dining chair weighs about 3-4kg, which can be easily carried by an adult woman with one hand; an office injection-molded conference chair weighs about 5-6kg, which is convenient for frequent movement and space reorganization. The lightweight feature not only reduces transportation costs (under the same transportation capacity, the number of injection-molded chairs transported is more than 40% higher than that of solid wood chairs), but also reduces collision damage to the ground and walls during handling, which is especially suitable for office spaces and catering places that need to adjust the layout frequently.

3. Flexible Design and Diverse Styles

The injection molding process can realize complex mold design, and can create a variety of chairs with unique shapes and smooth lines: from simple curved backrests and streamlined seat pans to personalized designs with hollow patterns and gradient colors, all can be formed in one time through molds. For example, Nordic-style injection-molded dining chairs often adopt a rounded curve shape, matched with macaron color schemes; industrial-style injection-molded chairs are made with a metal-like textured surface through molds, matched with dark colors such as black and gray; chairs for public spaces can also be designed into a stackable structure (such as dining chairs can be stacked 6-8 layers) to save storage space. In addition, the style can be quickly switched by replacing the mold to meet the style needs of different scenarios (home, office, outdoor), and the design iteration cycle is 30%-50% shorter than that of traditional chairs.

4. Easy to Clean and Low Maintenance Cost

The plastic surface of injection-molded chairs is smooth and dense, without the gaps and textures of wooden chairs or the welding points of metal chairs, and is not easy to absorb dust and oil. Daily cleaning only needs to wipe with a damp cloth to remove stains; for stubborn oil stains, it can be wiped after spraying with a neutral detergent, and the cleaning efficiency is more than 60% higher than that of wooden chairs. At the same time, the plastic material has good water resistance and corrosion resistance, and can be directly washed with water (such as outdoor injection-molded chairs) without worrying about moisture deformation or rust; and the plastic chair body has no paint or coating, avoiding the maintenance work of repainting traditional chairs due to paint peeling, and the long-term use and maintenance cost is only 1/3-1/2 of that of wooden chairs.

B、Production Process of Injection Moulded Furniture Chairs

1. Product Design and Mold Development

First, determine the functional requirements (load-bearing, stackability, comfort) and appearance style of the chair according to the target use scenario (such as home, office, outdoor), and draw a 3D model of the chair through CAD software (such as AutoCAD, SolidWorks). Focus on designing the curvature of the seat pan (fitting the curve of the human buttocks to reduce fatigue from long sitting), the support structure of the backrest (such as adding hidden reinforcing ribs), and the connection interface of the chair legs (adapting to metal brackets or plastic chair legs). After the design is completed, carry out mold design: determine the number of mold cavities according to the chair size (usually 1 cavity per mold or 2 cavities per mold, 1 cavity per mold for large chairs), design the gating system (using side gates or pin gates to avoid leaving obvious gate marks on the chair surface), and the cooling system (arrange cooling water channels evenly according to the thickness of the chair body to ensure that the cooling time is controlled within 30-60s to avoid deformation). The mold material is P20 pre-hardened steel (for small and medium batch production) or H13 hot work mold steel (for mass production, with a service life of more than 500,000 times), and is manufactured through precision processes such as five-axis machining centers and EDM, ensuring that the mold cavity precision reaches ±0.1mm and the surface roughness Ra≤0.8μm.

2. Raw Material Preparation and Injection Molding

Select plastic raw materials according to the use requirements of the chair: PP (polypropylene) is commonly used for household dining chairs, with low cost and good toughness; PA66 + glass fiber is commonly used for office chairs, with high strength and creep resistance; HDPE (high-density polyethylene) is commonly used for outdoor chairs, with UV resistance and aging resistance. In the raw material preparation stage, mix plastic particles with color masterbatches (added according to the design color ratio, such as 1%-2% white masterbatch for white chairs), anti-aging agents (0.5%-1% anti-UV agent for outdoor chairs), and toughening agents (to improve low-temperature toughness, suitable for cold areas) evenly, and put them into a dryer for drying (to remove moisture and avoid bubbles after injection molding, drying temperature 80-100℃, time 2-4 hours). During injection molding, add the dried raw materials into the hopper of the injection molding machine, set the barrel temperature according to the material characteristics (PP material temperature 180-220℃, PA66 + glass fiber material temperature 250-280℃), control the injection pressure at 60-100MPa, and the holding time at 10-20s. The injection molding machine injects the molten plastic into the mold cavity through the screw. After cooling and solidification, the seat pan or backrest blank is ejected through the ejection mechanism. After demolding, the gate residue is removed to complete the production of core components.

3. Component Assembly and Quality Inspection

After the production of core components is completed, enter the assembly stage: first, connect the seat pan and backrest with screws (or adopt a snap-on design without screws) to ensure a firm connection without looseness; then install the chair legs or brackets (metal brackets need to be rust-proofed first, such as electroplating or plastic spraying; plastic chair legs are directly connected to the seat pan through snaps or screws); finally, install accessories (such as armrests and pneumatic rods for office chairs, anti-slip pads for dining chairs). After assembly, quality inspection is carried out: first, appearance inspection, checking whether there are scratches, bubbles, color differences on the chair surface, and whether the gate residue is completely removed; second, structural inspection, testing the connection strength between the seat pan and backrest (applying a 500N pull force without loosening or breaking), and the load-bearing performance of the chair legs (static load-bearing 200kg, no deformation for 1 hour); third, functional inspection, testing the stacking stability of stackable chairs (no risk of tipping after stacking 8 layers), and testing the flexibility of armrest lifting and the service life of pneumatic rods for office chairs. Qualified chairs are packaged (packaged in cartons or plastic bags to avoid transportation wear) and prepared for delivery.

P&M Injection Moulded Furniture Chairs (Specification)

P&M Injection Moulded Furniture Chairs Feature And Application

1. Household Scenario

The core requirements of injection-molded chairs for household scenarios are aesthetics, comfort and lightweight, and common types include:

Dining Chairs : Mostly made of PP or HDPE materials, with simple curved shapes and macaron color schemes (such as white, light blue, pink) as the main styles. The seat pan is designed to fit the curve of the buttocks, and some styles add soft cushions to improve comfort. The weight is controlled at 3-4kg, which is convenient for movement and storage, suitable for home restaurants and kitchens.

Leisure Chairs : Such as balcony rocking chairs and living room single chairs, often made of PC/ABS alloy or glass fiber reinforced PA66, with adjustable backrests and footrests. Some integrate hollow design to enhance air permeability, and the colors are mainly neutral colors (gray, beige), which adapt to modern home styles and have both decorative and practical functions.

2.Office Scenario

Office scenarios need to meet the needs of high-frequency use, ergonomics and durability, and the main types are:

Staff Chairs : Adopt glass fiber reinforced PA66 chair body, matched with metal five-star feet and pneumatic rods. The backrest design is ergonomic (with prominent lumbar support), the armrests can be adjusted up and down, and the load-bearing capacity is more than 150kg, suitable for long-term office use, with a service life of 5-8 years.

Conference Chairs : Mostly without armrests, made of PP or PC/ABS materials, weighing 5-6kg, and can be stacked for storage (stacked 5-6 layers), which is convenient for flexible use of conference room space. The surface is often matte treated to avoid reflection affecting the conference experience, and the colors are mainly business colors such as black and dark gray.

3. Public and Commercial Scenarios

Such scenarios have extremely high requirements on the durability, stackability and easy cleaning of chairs, and typical applications include:

Catering Venue Chairs : Such as chairs for restaurants and canteens, made of HDPE or PP materials, with smooth surfaces without dead corners, which can be directly washed with water or wiped with disinfectant, with a load-bearing capacity of 200kg and a stacking layer of 6-8 layers, saving storage space. The colors are mostly bright colors such as red and yellow to enhance the dining atmosphere.

Public Space Chairs : Such as shopping mall rest chairs and park benches, made of HDPE materials (outdoor) or PC/ABS alloy (indoor). The integrated chair body design has no sharp edges and corners to avoid pedestrian collision injuries. Some benches are designed as conjoined (2-3 seats) to enhance stability, and have anti-vandalism (anti-destruction) characteristics, scratch-resistant and impact-resistant.

Customization Process

Factory&About US

NingBo Plastic Metal Product Co.,Ltd (P&M) is located in Yuyao, the so-called Mould City, Plastic Kingdom, in the southern tip of Hangzhou Bay Bridge,north of Shanghai, the east of Ningbo Port,tight double line of State Road 329 on land, sea and air trafic into a network to facilitate transport.

By the abundant technical strength,scientific management methods and good after-sales service, product deeply trusted and welcomed by customers from all over the world. P&M holds improved system of development and production, to achieve mold design, plastic products manufacturing and automatic production. Our main products is design and manufacturing of plastic mold, plastic product, metal product. 90% products of our enterprise are exported to America, Europe, Germany, Japan, Australia, etc. For many years, the company has been committed to the research of raw materials. The company has its own trademark and dozens of patents, providing more convenient technical support for mold making and product production. P&M started domestic business from 2008,named Shundi Mould Factory. And opened the international market from 2014. We always adhere to the principles of quality first and time first. While providing customers with the highest quality products, try to maximize the production efficiency and shorten production time. We are proud to tell every customer that our company has not lost any customer since its establishment.If there is a problem with the product, we will seek a solution actively and take responsibility to the end.

P&M adheres to market-oriented to the quanlity of life and focus on quality service and continuous development of new products,determined to establish a better corporate image,and our friends at home and abroad to carry a wide range of business exchanges and cooperation, create brilliant.

Packing

Packaging according to your needs

1. By air ,it takes 3-7 days for delivery.

The goods can be shipped by DHL , Fedex , UPS .

2. By sea ,the delivery time is based on your port.

To South East Asian Countries takes about 5-12 days.

To Middle east countries takes about 18-25 days.

To European countries takes about 20-28 days.

To American countries takes about 28-35 days.

To Australia takes about 10-15 days.

To African countries takes about 30-35 days.

P&M Bike parts, centered around children, balances safety, health, and fun, aiming to add a bright color to children's beautiful childhood. We look forward to working together with you to serve our children.

The path of a child's growth is paved with bricks and tiles.

FAQ

1.Who are we?

We are based in Zhejiang, China, start from 2014,sell to North America(30.00%),Southern Europe(10.00%),Northern Europe(10.00%),Central America(10.00%),Western Europe(10.00%),Mid East(10.00%),Eastern Europe(10.00%),South America(10.00%). There are total about 51-100 people in our office.

2.How can we guarantee quality?

Always a pre-production sample before mass production;

Always final Inspection before shipment;

3.What can you buy from us?

Mould, Plastic Product, Metal Product, Dental Product, CNC machining.

4.Why should you buy from us not from other suppliers?

We main do all kinds of 3d design, 3d printing and plastic metal molds tooling and products. We have our own engineer and factory. One-stop supply: 3d design - 3d printing - mold making - plastic injection.

5.What services can we provide?

Accepted Delivery Terms: FOB,CFR,CIF,EXW,FCA,DDP,DDU;

Accepted Payment Currency: USD, EUR;

Accepted Payment Type: T/T,L/C,PayPal,Western Union,Escrow;

Language Spoken:English,Chinese,Spanish,French,Russian.

6.What are the characteristics of your service?

1. Your inquiry related to our products or prices will be replied within 24 hours.

2. Well-trained and experienced staffs to answer all your enquiries in fluent English.

3. Offering the support to solve the problem in the application or selling period.

4. Competitive prices based on same quality.

5. Guarantee samples quality same as mass production quality.