N型QD衬套

The QD bushing is a split tapered flange bushing typically used on sprockets and gears. It has a flange that attaches the bushing to the sprocket, usually installed with cap screws. Since the QD bushing is separated by its flange, it can accommodate slight differences in shaft diameter. QD bushings are interchangeable between manufacturers and can be used in a variety of applications.

What Is a QD Bushing?

The QD bushing is a split tapered flange bushing. Its flanges are split over the entire circumference and provide positive clamping on the shaft. Bushings are an excellent choice for applications that require clamping force and are interchangeable between manufacturers. They can be used on pulleys, sprockets, and pulleys. For ease of installation, QD bushings are available in half-inch to one-inch sizes.

Dimensions of N QD Type Bushings

• Bushing Type: N
• Bore Size: 100mm、115mm、120mm、2-1/2"、2-11/16"、2-3/4"、2-5/8"、2-7/16"、2-7/8"、3"、3-3/8"、2-5/8"、2-7/16"、2-7/8"、3"、3-1/4"、3-1/8"、3-11/16"、3-15/16"、3-3/16英寸、3-3/4英寸、3-3/8"、3-5/8"、3-7/16"、3-7/8"、4“、4-1/4英寸、4-3/4英寸、4-3/8"、4-7/16"、4-7/8英寸、5“、5-1/2英寸、5-1/4英寸、5-15/16英寸、5-3/16`”、5-3/4"、5-7/16`”、6`"、65mm、65mm、70mm、75mm、80mm、85mm、90mm、95mm、
• Dimension (A): 1.500"
• Dimension (B): 7.000"
• Dimension (D): 10.250"
• Dimension (E): 6.625"
• Dimension (F): 6.250"
• 尺寸（G）：0.250英寸
• Dimension (L): 8.125"
• Bolt Circle: 8.500"
• 固定螺钉尺寸：3/4-10
• Weight: 57.00 LBS

卸除

功能

A bushing is a support member that performs its functions by acting as a gasket and reducing noise and vibration. Bushings are used in valve covers and are made of corrosion-resistant materials to perform these functions. These products can be found in all types of machinery, from cars to airplanes. Bushings serve many different purposes, including vibration isolation, shock absorption, and thermal shock absorption. Electrical bushings transmit electricity. They can be used in circuit breakers, transformers, power capacitors and shunt reactors. The conductors of the bushing can be built directly into the bushing or through the bushing. Both current and voltage represent electricity. The bushing must have insulation capable of withstanding the voltage, and its current-carrying conductors must be capable of carrying the rated current without overheating the adjacent insulation. While the sleeve provides the interface between the two components, its primary role is to dampen the transmitted energy.

标准安装

1. 确保衬套上的锥体和从动产品的内部清洁且无油或防卡润滑剂。
2. 滑动 QD 套管 在轴上，先安装法兰端，然后组装键。
3. 将 QD 衬套放在轴上。仅使用标准内六角扳手拧紧扳手上的固定螺钉（手动拧紧）。不要用力过猛。
4. 将链轮或其他零件锥孔的大端滑入锥体上方，将链轮或其他零件上的钻孔螺栓孔与衬套法兰上的锥孔对齐。然后组装上拉螺栓和锁紧垫圈。
5. 交替均匀地将拉力螺栓拧紧至下表中所示的拧紧程度。请勿在扳手手柄上使用延长件。现在链轮或其他部件轮毂的表面与 QD 衬套的法兰之间应该有一个间隙，以确保良好的锥形抓握和压配合。注意：此间隙不得关闭。

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