MJGBF Guide Bushing For Plastic Injection Molding Process

MJGBF oil-free injection guide bushings are components used in the plastic injection molding process to further improve manufacturing efficiency by ensuring consistent precise alignment and smooth movement of mold parts, resulting in high-quality products. MJGBF guide bushing is a standard component, available in diameters from 12mm to 60mm and lengths from 19mm to 149mm for you to choose from. Please contact sales for specific models.

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Product Introduction
Parameter
Material Description
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Product Features

1 Can work for a long time under oil-free conditions.

2 More suitable for low-speed and heavy-load workingconditions, with good wear resistance and extremely low frict.

3 Suitable for situations where oil film is difficult to form, such as reciprocating, rotating and intermittent movements.

4 Resistant to corrosion and oxidation.

5 Maintenance-free and long service life.

Why Choose Oilless Bearings

Reduce Manufacturing costs

There is no need for oil supply device, oil injection hole or oil groove processing, which can greatly save manufacturing costs.

Reduce Operating Costs

It greatly reduces the usage of lubricating oil, reduces equipment maintenance, and avoids hidden dangers caused by insufficient oil supply, effectively reducing operating costs.

Shorten Design Time

The oil-free design simplifies the product structure and effectively saves design time. We are professional ODM Suppliers of MJGBF Guide Bushing For Plastic Injection Molding Process

Conducive To Environmental Protection

No waste oil recycling is required, which is also beneficial to environmental protection.

Application Fields

High Temperature

·Steel factory

·Smelting furnace

·Drying equipment

·Baking oven

·Heat controller

Water Proof

·Dam gate

·Water pump

·Fluid switch structure

·Offshore structures

·Dock and silt machine equipment

Chemical Industry

·Chemical factory

·Electroplating equipment

·Wastewater treatment equipment

·Dyeing machinery

·Oil and chemical refining equipment

Energy

·Wind power

·New energy

Ship

·Deck crane

·Anchor

·Hatch cover

·Rudder arm

·Lifting machinery and lifting ring equipment

Automobile Manufacturing

·Stamping mold

·Welding structure

·Painting and drying line

·Metal conveyor belt

·Machine tools

Heavy Industry

·Steel pipe factory machinery

·Tire and paper mills

·Power plant

·Connecting toggle of mold injection machinery

Construction, Mining, Loading

·Mixers, grinders, pulverizers

·Construction machinery

·Mining equipment

·Connecting rod bearings

Bridges and Lift Rails

·Bridge bearings

·Beams, bridges, suspension bridges

·Nuclear energy related reactors

·Steam generator

unit:mm

Part No.	d	L	d	G6	D	m6	D1	T	L1
MJGBF-12×19	12	19	12	+0.016 +0.006	18	+0018 +0.007	25	4	19
MJGBF-12×24	''	24	''	''	''	''	''	''	24
MJGBF-12×29	''	29	''	''	''	''	''	''	29
MJGBF-12×34	''	34	''	''	''	''	''	''	34
MJGBF-16×19	16	19	16	''	25	+0025 +0.009	30	6	19
MJGBF-16×24	''	24	''	''	''	''	''	''	24
MJGBF-16×29	''	29	''	''	''	''	''	''	29
MJGBF-16×34	''	34	''	''	''	''	''	''	30
MJGBF-16×39	''	39	''	''	''	''	''	''	''
MJGBF-16×49	''	49	''	''	''	''	''	''	''
MJGBF-20×24	20	24	20	+0.020 +0.007	30	''	35	8	24
MJGBF-20×29	''	29	''	''	''	''	''	''	29
MJGBF-20×34	''	34	''	''	''	''	''	''	34
MJGBF-20×39	''	39	''	''	''	''	''	''	39
MJGBF-20×49	''	49	''	''	''	''	''	''	40
MJGBF-20×59	''	59	''	''	''	''	''	''	''
MJGBF-25×24	25	24	25	''	35	+0025 +0.009	40	''	24
MJGBF-25×29	''	29	''	''	''	''	''	''	29
MJGBF-25×34	''	34	''	''	''	''	''	''	34
MJGBF-25×39	''	39	''	''	''	''	''	''	39
MJGBF-25×49	''	49	''	''	''	''	''	''	49
MJGBF-25×59	''	59	''	''	''	''	''	''	50
MJGBF-25×69	''	69	''	''	''	''	''	''	''
MJGBF-30×29	30	29	30	''	42	''	47	10	29
MJGBF-30×34	''	34	''	''	''	''	''	''	34
MJGBF-30×39	''	39	''	''	''	''	''	''	39
MJGBF-30×49	''	49	''	''	''	''	''	''	49
MJGBF-30×59	''	59	''	''	''	''	''	''	59
MJGBF-30×69	''	69	''	''	''	''	''	''	60
MJGBF-30×79	''	79	''	''	''	''	''	''	''
MJGBF-35×39	35	39	35	+0.025 +0.009	48	+0.025 +0.009	54	10	39
MJG8F-35×49	''	49	''	''	''	''	''	''	49
MJGBF-35×59	''	59	''	''	''	''	''	''	S9
MJGBF-35×69	''	69	''	''	''	''	''	''	69
MJGBF-35×79	''	79	''	''	''	''	''	''	70
MJGBF-35×89	''	89	''	''	''	''	''	''	''
MJGBF-35×99	''	99	''	''	''	''	''	''	''
MJGBF-40×39	40	39	40	''	55	+0.030 +0.011	61	''	39
MJG8F 40×49	''	49	''	''	''	''	''	''	49
MJGBF-40×59	''	59	''	''	''	''	''	''	59
MJG8F-40×69	''	69	''	''	''	''	''	''	69
MJGBF-40×79	''	79	''	''	''	''	''	''	79
MJG8F-40×89	''	89	''	''	''	''	''	''	80
MJGBF-40×99	''	99	''	''	''	''	''	''	''
MJGBF-40×109	''	109	''	''	''	''	''	''	''
MJGBF-50×49	50	49	50	''	70	''	76	12	49
MJGBF-50×59	''	59	''	''	''	''	''	''	S9
MJGBF-50×69	''	69	''	''	''	''	''	''	69
MJGBF-50×79	''	79	''	''	''	''	''	''	79
MJGBF-50×89	''	89	''	''	''	''	''	''	89
MJGBF-50× 99	''	99	''	''	''	''	''	''	90
MJGBF-50×109	''	109	''	''	''	''	''	''	''
MJGBF-50×119	''	119	''	''	''	''	''	''	''
MJGBF-60× 99	60	99	60	+0.029 +0.010	80	''	86	15	99
MJGBF-60×109	''	109	''	''	''	''	''	''	109
MJGBF-60×119	''	119	''	''	''	''	''	''	110
MJGBF-60×129	''	129	''	''	''	''	''	''	''
MJGBF-60×149	''	149	''	''	''	''	''	''	''

Material Composition and Properities
Material	CuZn25Al5Mn3Fe3	CuSn5Pb5Zn5	CuAl10Ni5Fe5	CuSn12	CuZn25Al5Mn4Fe3
Density	8.0	8.9	7.8	8.9	8.0
Hardness HB	>210	>70	>150	>95	>250
Tensile Strength N/mm²	>750	>200	>600	>260	>800
Yield Strength N/mm²	>450	>90	>260	>150	>450
Elongation%	>12	>15	>10	>৪	>800
Coefficien of Linear Expansion 10^-5/℃	1.9	1.8	1.6	1.8	1.9
Limit Temp ℃	-40~+300	-40~+400	-40~+400	-40~+400	-40~+150
Max. Load N/mm²	100	60	50	70	120
Max. Speed (Dry) m/min	15	10	20	10	15
Max.PV N/mm²*m/min	200	60	60	80	200
Compression of Permanent Deformation 300N/mm²	<0.01	<0.05	<0.04	<0.05	<0.05
*Big demand with special materials is available.

Base Material Interchange
Material Codes	China Brands GB1176-87	Intenational ISO 1338	Germany DIN	Japan JIS	America ASTM(UNS)	England BS	Italy JM	Applicable conditions
JDB Casted Bronze	ZCuZn25AI5 Fe3Mn3	GCuZn25AI6 Fe3Mn3	DIN1709 G-CuZn25AI5	H5102 CAC304	B30-92 C86300	HTB2	JM18-1	High-load, low speed Commonly used
JDB-1Bronze	ZCuSn5 Pb5Zn5	GCuPb5 Sn5Zn5	DIN1705 G-CuSn5ZnPb	H5111 BC6	B30-92 C83600	LG2	JM7-15	Mid-load, low speed Commonly used
JDB-2Bronze	ZCuAI9Fe4 Ni4Mn2	GCuAI10 FeNiS	DIN17656 G-CuAI10Ni	H5114 AIBC3	B30-92 C95500	AB2	JM3-15	Mid-load, mid-speed, Commonly used
JDB-3Bronze	ZCuSn12		G-CuSn12	CAC503B	B30-92 C90800	PB2	JM1-15	Mid-load, low speed, Commonly used
JDB-5	ZCuZn25AI6 Fe3Mn3	GCuZn25AI6 Fe3Mn3	DIN1709 G-CuZn25AI5	H5102 CAC304	B30-92 C86300	HTB2	JM18-1	Over high load, low speed, High load used

Solid Lubricant
Lubricant	Features	Typical application
SL1 Graphite+add	Excellent resistance against chemical attacks and low friction, Temp limit 400℃	Suit for general machines and under atmosphere
SL4 PTFE+add	Lowest in friction and good of water Lubrication,Temp limit 300℃	Ship, hydraulic turbine, gas turbine, etc.

SUBMIT

About US

Zhejiang Mingxu Machinery Manufacturing Co., Ltd. Zhejiang Mingxu Machinery Manufacturing Co., Ltd., formerly known as Jiashan Mingxu Precision Machinery Factory, was founded in 2011. The company is located in the hinterland of the Yangtze River Delta Integrated Development Demonstration Zone, with location and convenient transportation. With more than ten years of manufacturing and R&D experience, the company has been deeply involved in the development and production of solid lubricating bearings, skateboards, slideways, and sliders. ODM Suppliers and Company of MJGBF Guide Bushing For Plastic Injection Molding Process in China. The product manufacturing adopts modern automation equipment, strictly implements the ISO2000 quality management system standard, and the main processes are processed by high-precision CNC machines. The company's main products cover a series of products such as JDB solid inlaid self-lubricating bearings, steel-copper sintered bearings, SF-1 self-lubricating bearings, SF-2 boundary self-lubricating bearings, and FB090 copper bearings. Widely used in automobile industry, construction machinery, metallurgical equipment, mining machinery, injection molding, mold, textile, printing and many other machinery manufacturing fields; Till now, the company's products have spread all over China and exported to many foreign countries, and are deeply recognized and loved by domestic and foreign customers.

Mingxu Machinery adheres to the service tenet of "quality-oriented high-quality service", and strive to provide customers with professional products and services. Supply Wholesale MJGBF Guide Bushing For Plastic Injection Molding Process. The company will continue to introduce talents, improve the management mechanism, integrity, development, innovation, and strive to build a world-class brand.

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Product knowledge

For multi-cavity molds, how does the Guide Bushing For Plastic Injection Molding Process work in coordination to ensure that each cavity is filled evenly?

In multi-hollow space molds, the manual bushing plays a critical function in the plastic injection molding process to make sure that each hollow space is filled frivolously. Here's the way it works:

Design and site: The mould designer determines the wide variety and site of the cavities in the mould, considering factors like component design, mildew size, and machine competencies. The guide bushings are then placed in the mould base, aligned with each individual cavity.

Sprue and runner system: The mould consists of a sprue and runner device which feeds molten plastic from the injection unit to each cavity. The sprue connects the injection nozzle to the hollow space runners, main to each gate within the mildew.

Alignment and channeling: The manual bushings function alignment mechanisms for the mold and ensure that the sprue and runner gadget is appropriately aligned with every hollow space. They offer steering and support for the sprue and runners, stopping misalignment or motion for the duration of the injection technique.

Flow balancing: To ensure each hollow space is stuffed evenly, the manual bushings play a role in channeling the molten plastic float from the runner machine to every gate. The size and position of the manual bushings have an effect on the glide path and stability the go with the flow fees among cavities. By controlling the waft, the manual bushings assist to decrease versions in fill instances and pressures, ensuring consistent component great throughout all cavities.

Cooling: Along with flow balancing, the guide bushings resource in thermal management by imparting coolant channels. These channels assist in preserving regular temperatures inside the mold and save you hot spots or cold spots that could effect the filling and solidification of every cavity.

Their proper layout, placement, and use make certain that every cavity is filled lightly within the plastic injection molding process, ensuing in high-quality parts with regular dimensions and residences.

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