MGB71 NAAMS Standard Guide Bushing

Circular guides are frequently used in automobile panel molds and large stamping molds. The mold base and unloading plate guides usually use self-lubricating guide bushes. Many export molds require the use of higher standard NAAMS guides. Set, mold processing has been NC-based, and the processing accuracy and manufacturing technology have become stable and improved. MGB71 NAAMS Standard Guide Bushing has reliable product accuracy and stable dimensions, which can reduce mold guide assembly man-hours and mold production costs!

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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 MGB71 NAAMS Standard Guide Bushing

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.	NAAMS Code	DANLY Part Number	GM Part Number	Chrysler Part Number	Ford Part Number	d	d1	d2	L	L1
MGB71 2540	G712540	NM25PAD	90.30.10-25	19-029-0102	—	25	32	40	40	4
MGB71 3250	G713250	NM32PAD	90.30.10-32	19-029-0103	WDX13-80-09032	32	40	50	50	''
MGB71 4055	G714055	NM40PAD	90.30.10-40	19-029-0104	WDX 13-80-09040	40	50	63	55	5
MGB71 5063	G715063	NMSOPAD	90.30.10-50	19-029-0105	WDX 13-80-09050	50	63	71	63	6
MGB71 6375	G716375	NM63PAD	90.30.10-63	19-029-0106	WDX 13-80-09063	63	80	90	75	8
MGB71 8090	G718090	NM80PAD	90.30.10-80	19-029-0108	WDX 13-80-09080	do	100	112	90	10
MGB71 100115	G711011	NM100PAD	90.30.10-100	19-029-0110	WDX13-80-09100	100	125	140	115	12
MGB71 125138	G711213	NM125PAD	9030.10-125	19-029-0112	—	125	160	180	138	12

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 MGB71 NAAMS Standard Guide Bushing 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 MGB71 NAAMS Standard Guide Bushing. 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

How do NAAMS Standard Guide Bushing's tolerances affect the accuracy of guide components?

The tolerances of NAAMS (North American Automotive Metric Standards) Standard Guide Bushings play a important position in figuring out the accuracy of manual additives in production and meeting processes. Tolerances confer with the permissible limits of variation in a size or property, and they are specified to ensure that components fit together precisely. Here's how the tolerances of NAAMS Standard Guide Bushings impact the accuracy of guide components:

Precision Alignment:NAAMS Standard Guide Bushings are designed with tight tolerances to make certain precision alignment of guide components. Tight tolerances imply that the size of the manual bushings are intently controlled, making an allowance for correct positioning and motion of the guided additives.

Minimization of Play or Clearance:Tight tolerances decrease play or clearance between the guide bushings and the guided components. Play or clearance can introduce unwanted motion or vibration, main to inaccuracies within the positioning of components. The precision afforded by tight tolerances enables limit these unwanted effects.

Consistent Interchangeability:Consistent tolerances throughout more than one NAAMS Standard Guide Bushings ensure interchangeability. This interchangeability is important in manufacturing environments wherein components want to be replaced or interchanged with out compromising average machine accuracy. Uniform tolerances contribute to regular overall performance throughout distinctive manual bushings.

Reduced Variability in Machining Processes:Tight tolerances in the guide bushings make contributions to decreasing variability in machining processes. As the guide bushings maintain steady dimensions, there is much less variant in the machining of the guided components, resulting in greater predictable and correct results.

Mitigation of Cumulative Errors:In precision machining and meeting, cumulative errors can occur whilst tolerances stack up as components are assembled. Tight tolerances in NAAMS Standard Guide Bushings assist mitigate these cumulative errors, ensuring that the accuracy of the guided additives is maintained for the duration of the assembly procedure.

Enhanced Repeatability:The precision carried out via tight tolerances complements the repeatability of the guided moves. Repeatability is important in manufacturing approaches wherein the identical actions need to be replicated continuously, leading to accurate and reliable manufacturing effects.

Alignment in Multi-Axis Systems:In multi-axis systems, in which components circulate in more than one directions, the tight tolerances of NAAMS Standard Guide Bushings play a key function in maintaining accurate alignment. This is especially crucial in packages requiring complicated and unique movements.

These factors collectively make a contribution to the general accuracy and overall performance of guided components in manufacturing and meeting applications.

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