Rust-Resistant Anti-Backbend Chains for Pushing Window 06bf34

Product Description

Anti-Backbend Chains for Pushing Window

 Product Description: 

Chain No.	Pitch	Roller diameter	Width between inner plates	Pin diameter	Pin length	Plate dimension			Tensile strength	Weight per meter
	P	d1 max	b1 min	d2 max	L max	H	h	t/T	Q min	q
	mm	mm	mm	mm	mm	mm	mm	mm	kN/bf	kg/m
06BF34	9.525	6.35	3.8	3.28	10	12.38	7.88	1.04	7.0/1574	0.47
*06CF22	9.525	5.08	4.77	3.58	11.6	12.86	8.38	1.3	7.9/1776	0.51
*06CF30	9.525	5.08	4.77	3.58	13.9	13.05	8.55	2.03/1.25	7.9/1776	0.71
*PB525F1	9.525	5.08	4.77	3.58	11.6	13	8.55	1.3	7.9/1776	0.57
08BF6	12.7	7.95	7.85	3.96	16.6	17	11	1.5	13.8/3102	0.91
415BF4	12.7	7.75	4.88	4.09	16.4	17	11	1.3/3.1	12.0/2698	1.07
012.TF4	12.7	7.5	5.5	4.45	15.6	14.3	8.5	2.03	15.0/3372	0.99

Anti-Backbend Chains for Pushing Window are a seemingly simple yet crucial hardware accessory for doors and windows. By providing additional rigid tensile support, they are specifically designed to prevent and correct the bending and sagging of large sliding window sashes due to gravity. They act as an "invisible guardian" ensuring the long-term stability, sealing, and overall structural integrity of high-end large doors and windows.

Key Features:
1. High Strength and Rigidity: Typically made of stainless steel or high-strength steel, ensuring it can withstand the long-term weight of the window sash without stretching or deformation.

2. Adjustability: Most anti-bend chains are designed with adjustable length mechanisms (such as threaded rods or slotted holes), allowing installers to make fine adjustments to precisely compensate for any slight deformation or installation errors, ensuring the window is in the optimal position.

3. Compact and Concealed: Designed to be compact, they are usually installed inside the upper corner of the window sash, making them inconspicuous from the interior and not affecting aesthetics.

4. Corrosion Resistance: Due to potential exposure to humid air, they are typically made of stainless steel to prevent rust and ensure long-term reliability.

Company Profile
 

Qingdao Star Machine Technology Co., Ltd. is located in the beautiful coastal city of Qingdao. We are a large enterprise group engaged in researching, producing, marketing, and providing technical services. We have three large research and production bases and one large marketing centre specialising in transmission parts, bearings, chains, sprockets, tractor driving axles, and hydraulic steering units. Covering an area of 80,000 square meters, we now have 816 employees, including 167 senior professional technicians, and a global network of sales and service systems. Maintaining good partnerships with Liaocheng University, Qingdao University, Shandong Agricultural University, Shandong University, and the Chinese Academy of Agricultural Sciences, we receive strong technical support from industry experts.

CHAIN STANDARDS

Standards organizations (such as ANSI and ISO) maintain standards for design, dimensions, and interchangeability of transmission chains. For example, the following Table shows data from ANSI standard B29.1-2011 (Precision Power Transmission Roller Chains, Attachments, and Sprockets) developed by the American Society of Mechanical Engineers (ASME). See the references^[8][9][10] for additional information.

ASME/ANSI B29.1-2011 Roller Chain Standard SizesSizePitchMaximum Roller DiameterMinimum Ultimate Tensile StrengthMeasuring Load25

ASME/ANSI B29.1-2011 Roller Chain Standard Sizes
Size	Pitch	Maximum Roller Diameter	Minimum Ultimate Tensile Strength	Measuring Load
25	0.250 in (6.35 mm)	0.130 in (3.30 mm)	780 lb (350 kg)	18 lb (8.2 kg)
35	0.375 in (9.53 mm)	0.200 in (5.08 mm)	1,760 lb (800 kg)	18 lb (8.2 kg)
41	0.500 in (12.70 mm)	0.306 in (7.77 mm)	1,500 lb (680 kg)	18 lb (8.2 kg)
40	0.500 in (12.70 mm)	0.312 in (7.92 mm)	3,125 lb (1,417 kg)	31 lb (14 kg)
50	0.625 in (15.88 mm)	0.400 in (10.16 mm)	4,880 lb (2,210 kg)	49 lb (22 kg)
60	0.750 in (19.05 mm)	0.469 in (11.91 mm)	7,030 lb (3,190 kg)	70 lb (32 kg)
80	1.000 in (25.40 mm)	0.625 in (15.88 mm)	12,500 lb (5,700 kg)	125 lb (57 kg)
100	1.250 in (31.75 mm)	0.750 in (19.05 mm)	19,531 lb (8,859 kg)	195 lb (88 kg)
120	1.500 in (38.10 mm)	0.875 in (22.23 mm)	28,125 lb (12,757 kg)	281 lb (127 kg)
140	1.750 in (44.45 mm)	1.000 in (25.40 mm)	38,280 lb (17,360 kg)	383 lb (174 kg)
160	2.000 in (50.80 mm)	1.125 in (28.58 mm)	50,000 lb (23,000 kg)	500 lb (230 kg)
180	2.250 in (57.15 mm)	1.460 in (37.08 mm)	63,280 lb (28,700 kg)	633 lb (287 kg)
200	2.500 in (63.50 mm)	1.562 in (39.67 mm)	78,175 lb (35,460 kg)	781 lb (354 kg)
240	3.000 in (76.20 mm)	1.875 in (47.63 mm)	112,500 lb (51,000 kg)	1,000 lb (450 kg)

For mnemonic purposes, below is another presentation of key dimensions from the same standard, expressed in fractions of an inch (which was part of the thinking behind the choice of preferred numbers in the ANSI standard):

Pitch (inches)	Pitch expressed in eighths	ANSI standard chain number	Width (inches)
^1⁄4	^2⁄8	25	^1⁄8
^3⁄8	^3⁄8	35	^3⁄16
^1⁄2	^4⁄8	41	^1⁄4
^1⁄2	^4⁄8	40	^5⁄16
^5⁄8	^5⁄8	50	^3⁄8
^3⁄4	^6⁄8	60	^1⁄2
1	^8⁄8	80	^5⁄8

 

Certification

Packaging and Transportation

1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed Worldwide Marketing Network
7. Efficient After-Sale Service System

Q: What are your advantages?
A. We are a manufacturer; we have manufactured chains for over 20 years.
B. Cost-Effective Solutions and One-stop for all Chain Drive Products
C. Competitive Pricing
D. Stable and Sound Finance Coupled with a very Stable Team in the Organization
E. Comprehensive Product Series Offerings

Q. What is your payment term?
 A: 30% TT deposit, 70% balance T/T before shipping.
 
Q: Can we print our logo on your products?
A: Yes, we offer OEM/ODM service. We support customised logo, size, package, etc.
 
Q: What is your main market?
A: North America, South America, Eastern Europe, Western Europe, Southeast Asia, Africa, Oceania, the Middle East, and Eastern Asia.
 
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.