The use of anchor bolts is still very wide, and it needs to be used to fix some equipment, so its requirements are still relatively high. What are the classification of anchor bolts and the standard of anchor bolts? Let's go and find out together.
What are the classification of anchor bolts?
According to the difference in facilities, equipment size and operating conditions, the choice of anchor bolts is not the same. Commonly used anchor bolts are mainly divided into embedded, snap-on, and movable anchor bolts according to fastening methods.
First, embedded anchor bolt
The embedded anchor bolts are poured once or twice into the concrete foundation, mainly including hooks, claws and anchor plates. The claw anchor bolts have good adhesion and are often used for fastening large and medium-sized equipment. Anchor plate type adhesion and positioning vertical type are the best of the three, suitable for fastening large, heavy equipment with impact.
Second, bite anchor bolt
In the process of equipment fastening, the upper body bite bolt, whose vertebral body is called a bulging tube, produces a strong biting force that is anchored on the concrete wall, and is also called an expansion anchor bolt. The application is more common.
Three, active type anchor bolt
The biggest advantage of the movable anchor bolts is that they do not have to be concreted during installation and they are easy to disassemble. It is usually applied to big and heavy equipment that has impact such as mine hoist and forging equipment.
What is the standard for anchor bolts?
The anchor bolts have the following specifications: Hexagon head bolts GB/T5782-2000, cross recessed pan head self Tapping Screws GB845-85, hexagon socket head cap screws GB/T70, 1-2000 square head bolts class C GB8-88, Standard spring washers GB93-87 Cross pocket countersunk head tapping screws GB846-85, Hexagon head bolts full thread GB/T5783-2000, Hexagon nuts C grade GB/T41-2000, Square nuts C class GB39-88, slotted cylinders Head screws GB/T65-2000, wing nuts GB62-88 Hex countersunk head screws GB/T70.3-2000, screws GB/T15389-94, anchor bolts GB799-88, hexagon socket head screws GB/T70 ,2-2000 semi-circular head square neck bolts GB12-88, hexagonal flat end set screws GB/T77-2000, Phillips pan head head screws GB/T818-2000.
Here are some weight standards
Bolts GB5782-86 and GB5783-86 specifications, M10 × 10 weight is 0.024, each increase or decrease 5mm weight increase and decrease amount of 0.03, nut is GB6172-86, M8 × 4 weight is 0.005, nut is GB41-86 and GB6170-86 The weight of M8 x 6.8 is 0.06.
The bolts GB5782-86 and GB5783-86 specifications, M12 × 10, M16 × 10, M20 × 10, M24 × 10, M30 × 10, M36 × 10, M42 × 10, M48 × 10, weight: 0.039,0.057 , 0.112, 0.171, 0.317, 0.526, 0.816, 0.737, each increase or decrease of 5mm weight increase and decrease corresponding to: 0.004, 0.008, 0.012, 0.018, 0.028, 0.04, 0.054, 0.07.
The bolts respectively correspond to the specifications of the nut GB6172-86: M10×5, M12×6, M16×8, M20×10, M24×12, M30×15, M36×18, M42/M48, and the corresponding weight of the nut is :0.008,0.011,0.019,0.034,0.055,0.11,0.18,0.0294/0.446, The corresponding nuts are GB41-86 and GB6170-86 specifications: M10×8.4, M12×10.8, M16×14.8, M20×18, M24 × 21.5, M30 × 25.6, M36 × 31, M42/M48, and their weights correspond to: 0.011, 0.016, 0.034, 0.062, 0.112, 0.234, 0.371, 0.599/0.957.
Summary: The relevant information about the classification of the anchor bolts and the standard of the anchor bolts is introduced here for everyone. I hope the efforts of the Xiaobian can help you. If there is anything we do not understand, we can give it below. Xiaobian message, we will answer your questions as soon as possible, this site will provide everyone with more comprehensive, more detailed, updated information information.
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