Office chair parts manufacturer Service

As a professional office chair parts manufacturers and suppliers

Changsha Tianqi Furniture Co., Ltd's website tincci.com was established in 2010 as a global import&export privately-owned company of middle-end、upper-end office chair parts in China.

In 2017, Tincci.com expanded the export business and opened a branch in Hong Kong specialize in trading & wholesaling, We gained trust from overseas clients.

In 2018, Tincci.com got licensed by China's authoritative government as a professional import&export company that had 4 OEM manufacturers had R&D Department, QC Department, and Purchasing Department with shareholding & deep cooperation.

Until now, we have shipped Office chair parts all around the world and we’re still enlarging our business.

With over 10 years of experience in the office furniture industry, our professional knowledge, well customer service, and high-quality products enable us to be a good platform for offering total solutions. 

Office chair parts manufacturer producing process 

Here below are mainly describe production process of our Aluminum Office chair base.

1.Office chair parts manufacturer Mold workshop

Die casting is one of the most economical and quickest forming processes. The advantages of this production process are that hundreds of thousands of castings can be produced relatively quickly by using just one mold. The die-casting mold is composed of two parts, the covering part, and the movable part. The combined part is called the parting line.

Below picture is the Mold workshop for Office chair parts base2.Office chair parts manufacturer Die-casting workshop 

Die casting is a metal casting process, which is characterized by applying high pressure to the molten metal using the cavity of the mold. Molds are usually made of higher-strength alloys. This process is somewhat similar to injection molding. 

This picture and video are showing our production process for office chair parts Raw base in Stacking to keep office chair base no scratching.3.Office chair parts manufacturer Deburring

Deburring refers to the removal of very small microscopic metal particles on the surface of the workpiece. These particles are called burrs. They are formed during cutting, grinding, milling, and other similar chip processing processes. In order to improve quality and service life, it is necessary to remove burrs on all metal precision parts. The surface, acute angles, and edges of the workpiece must be extremely clean.

This picture is showing our producing process for office chair parts base deburring.4.Office chair parts manufacturer Polishing

Polishing refers to the use of mechanical, chemical or electrochemical effects to reduce the surface roughness of the workpiece to obtain a bright and smooth surface. It is the use of polishing tools and abrasive particles or other polishing media to modify the surface of the workpiece. During polishing, the high-speed rotating polishing wheel (circumferential speed above 20 m/s) is pressed against the workpiece, so that the abrasive can roll and roll the surface of the workpiece. Micro-cutting, so as to obtain a bright machined surface, the surface roughness can generally reach Ra 0.63 ~ 0.01 microns; 

These pictures are showing our manufacturing process for office chair parts base polishing and waiting for polishing

5.Office chair parts manufacturer Quality test

Test purpose: to evaluate the compressive strength of office chair parts bases and control the quality of products.

Test standard: ANSI/BIFMAX5.1

Technical specifications: Slowly load to 11120N(1134KGS), hold for 1 minute, and release the force; then slowly load to 11120N(1134KGS) for 1 minute again, and record the test process.

Result evaluation: According to the standard operation, the chair base has no abnormality and does not break when the force is increased to 11120N(1134KGS), which meets the standard requirements.

This picture is showing our manufacturing process for office chair parts base Quality testing.

6.Office chair parts manufacturer Packaging

Combining with the characteristics of the office chair parts base and making full use of the form and beauty of the product shape, for example, 5-star carton package.

This picture is showing our manufacturing process for office chair parts 5-star base packaging.Office chair parts manufacturer Measurements Guide

Office chair parts include office chair parts caster wheels,office chair bases,office gas lift cylinder,office chair mechanism,office chair armrest.

office chair parts caster wheels can be used for a wide variety of applications, It is important to have the right office chair caster wheel for the right application, the right size office chair caster wheel will be the difference of having a working application to not working at all. Taking key measurements will ensure that the office chair caster will fit for the application. The following are four areas to measure.

office chair parts caster wheels diameter

office chair parts caster wheels diameter measurements can be important in many applications as it provides important information as to how much clearance you will need for your caster wheels to swivel. The goal for office chair parts caster wheels is to be able to swivel 360 degrees.

To determine your office chair parts caster wheels diameter, lay the caster down on its side and measure from the center of the kingpin to the back edge of the wheel. A straight edge lying up against the face of the caster wheels will make it much easier for you to determine this measurement; the point where the tape measure meets the straight edge will determine your office chair parts caster wheels' diameter.

office chair parts caster wheels Overall Height 

How to measure the overall height of the entire office chair parts caster wheels assembly? from the very bottom of the caster wheels to the very top of the Chair mechanism. This is simple enough; just lie the caster wheel on its side and take the measurement. 

office chair parts caster wheels Width

This is often called the tread width. It represents the width of the office chair parts caster wheels face, measured without a load present.

How to measure the office chair parts caster wheels width?stand the caster wheels upright and measure from the outside of one side to the outside of the other.According to different of hardware there divide 3 types of office chair parts caster wheels: Top plate style office chair parts caster wheels, Stem Style office chair parts caster wheels, Special Design U-Bracket office chair parts caster wheels

Top plate style office chair parts caster wheels

The top plate is used to attach the caster wheel to the object, whether that object is a cart, rack, or even a piece of furniture. top plates are available in various sizes, so it’s important that you measure them properly to ensure that your replacement caster wheel fits. Measure both the length and width and write these down.

For most applications, it is very difficult (or impossible) to change the bolt hole pattern on the object that the caster wheel will attach to. For this reason, you will need to measure the bolt hole pattern very carefully and ensure you get a perfect match. To do this, measure from the center of one hole to the center of the other lengthwise, and then repeat this process again widthwise. Take note of these measurements.

Stem Style office chair parts caster wheels

Stem Style office chair parts caster wheels including Threaded stem Style office chair parts caster wheels, Grip Ring stem Style office chair parts caster wheels, and Grip Neck stem Style office chair parts caster wheels

Use a ruler to measure from the top of the stem to the base plate and the Overall length of the stem.

You can also use a standard set of wrenches, for instance, take a 7/16”. Use the open end of the wrench and put it on the stem, it should be a snug fit. Always measure the widest area. 

Adjustable Wrench: Tighten the adjustable wrench around the widest part of the stem. Then take a ruler and measure the distance of the wrench opening.

If you have a caliper, measure the stem in the section below the ring toward the caster body using your caliper. 

office chair parts caster wheels’ Grip Ring stem including silence grip ring stem regular diametrical grip ring er approx 7/16″equal to 11mm. regular length approx 0.826 inches equal to 21mm 

office chair parts caster wheels’ Grip Neck Stem regular diameter approx 5/16″equal to 8mm , regular length approx 1 1/2″equal to 38mm

office chair parts caster wheels Threaded stems regular had 3 combinations:M6,M8,M10

The diameter approx 1/4 inch equal to 6mm which called M6 threaded stem caster wheel.  

The diameter approx 5/16″equal to 8mm which called M8 threaded stem caster wheel.

The diameter approx 0.4 inches equal to 10mm which called the M10 threaded stem caster wheel.

Special Design U-Bracket office chair parts caster wheels

These caster wheels are for use on ready-to-assemble furniture such as office chairs, printer stands, computer desks, and entertainment centers. U-brackets measure 11/16 in. inside diameter equal to 18mm.office chair parts bases measurements

First confirm you have a standard office chair parts base, If the office chair parts base center hole is 2" in diameter which equal to 50mm, you have a standard office chair base.

To find office chair parts bases diameter, measure center hole and radius, Then Multiply the length of the radius and add center hole

To find office chair parts bases height, measure from the floor to the top level of office chair parts bases. 

office chair parts gas lift cylinders measurements

Our office chair parts gas lift cylinders are typically universal. The only difference between all standard office chair parts gas lift cylinders is what height they make your seat. 

First, confirm you have a standard office chair parts gas lift cylinder, If this column is 2" in diameter which equal to 50mm, you have a standard office chair parts gas lift cylinder.

Be sure to measure office chair parts gas lift cylinder COLUMN as shown in below photo A (do not measure the underside)

Determine office gas lift cylinder Travel in below photo C.

Find the seat height with the seat all the way up and all the way down. The difference between the two is the travel.

Finally, select the closest office chair parts gas lift cylinder to your travel

Office Chair parts mechanism measurements 

The Office Chair parts mechanism is used to attach the office chair gas lift to the object, whether that object is a stool, a chair. Office Chair parts mechanisms are available in various sizes, so it’s important that you measure them properly to ensure that your replacement mechanisms fit. Measure both the length and width and write these down.

For most applications, it is very difficult (or impossible) to change the bolt hole pattern on the object that the office chair mechanism will attach to. you will need to measure the bolt hole pattern very carefully and ensure you get a perfect match. measure from the center of one hole to the center of the other lengthwise, and then repeat this process again width-wise. Take note of these measurements.

Office chair parts armrest measurements

The office chair parts armrest is used to attach the office chair seat to the backrest,it’s important that you measure it properly to ensure that your replacement office chair armrest fits. Measure both the length and width and write these down.

For most applications, it is very difficult (or impossible) to change the bolt hole pattern on the object that the office chair parts armrest will attach to. Then you will need to measure the bolt hole pattern very carefully and ensure you get a perfect match. To do this, measure from the center of one hole to the center of the other lengthwise, and then repeat this process again widthwise. Take note of these measurements.