ข้อต่อเพลาคาร์ดัน

เอ ข้อต่อเพลาคาร์ดัน (also known as a Universal Joint Coupling) is a mechanical component used to connect two shafts and transmit torque. It consists of a cross-shaped shaft, two yokes, and two shaft sleeves. The coupling transmits power through the rotation of the cross shaft and is widely used in power transmission systems that require the accommodation of significant angular misalignment.

ข้อต่อเพลาคาร์ดัน คุณสมบัติหลัก:

1. โครงสร้าง: The Cardan shaft coupling is primarily composed of four basic parts: two yokes, a cross shaft, and two shaft sleeves. The yokes are connected to the cross shaft via bearings, while the shaft sleeves are connected to the working shafts. The cross shaft connects the two yokes at each end, enabling power transmission.
2. หลักการการทำงาน: The Cardan shaft coupling transmits torque through the engagement of the cross shaft with the yokes. Its design allows it to operate even when there is some angular misalignment between the shafts. As the cross shaft rotates, the power is effectively transferred through the yokes and shaft sleeves.
3. การประยุกต์ใช้: The Cardan shaft coupling is mainly used in systems that require high torque transmission and can accommodate certain angular misalignments. Common applications include automobiles, agricultural machinery, conveyor systems, wind turbines, and various other industrial devices.
4. ข้อได้เปรียบในการออกแบบ: Due to its ability to tolerate significant angular misalignment, the Cardan shaft coupling is particularly suitable for applications where the drive shafts are not perfectly aligned, allowing it to function smoothly even at higher angles of misalignment.

ข้อดี:

• ความสามารถในการปรับตัวได้ดี: The Cardan shaft coupling can accommodate axial, radial, and angular misalignment, making it ideal for situations where shafts are not perfectly aligned.
• High Torque Transmission Capacity: The coupling can handle substantial torque, making it suitable for high-load, heavy-duty environments.
• Simple and Reliable: The structure of the Cardan shaft coupling is relatively simple, making it easy to use and maintain while ensuring high reliability.

ข้อเสีย:

• Efficiency Loss: When operating at large angles, the Cardan shaft coupling may experience some efficiency loss, mainly due to the power transmission process.
• เสียงรบกวนและการสั่นสะเทือน: Due to the engagement between the yokes and the cross shaft, the Cardan shaft coupling may produce noise and vibration, especially when operating at high speeds.

สรุป:

The Cardan shaft coupling is a highly adaptable coupling with strong torque transmission capability, commonly used in automobiles, agricultural machinery, and other power transmission systems that require angular compensation. While it offers advantages such as simplicity, high reliability, and high load capacity, it may experience efficiency loss and generate noise and vibration when operating at high angles of misalignment.

SWC-type Cross Shaft Universal Coupling พารามิเตอร์พื้นฐานและขนาดหลัก

ประเภท	Rotation diameter ดี (มิลลิเมตร)	แรงบิดเชิงนาม Tn (นิวตันเมตร)	Fatigue torque Tf (นิวตันเมตร)	Axis angle β （°）	Scalable capacity Ls （mm）	Size （mm）										โมเมนต์ความเฉื่อย (กิโลกรัมต่อตารางเมตร)		น้ำหนัก （kg）
						Lmin	D1(js11)	ดี2 (H7)	D3	Lm	n×∅d	k	t	b （h9）	g	Lmin	Increase 100mm	Lmin	Increase 100mm
SWC100BH	100	2.5	1.25	≤25	55	405	84	57	60	55	6×∅9	7	2.5	/	/	0.004	0.0002	6.1	0.35
SWC120BH	120	5	2.5	≤25	80	485	102	75	70	65	8×∅11	8	2.5	/	/	0.001	0.0004	10.8	0.55
SWC150BH	150	10	5	≤25	80	590	130	90	89	80	8×∅13	10	3	/	/	0.042	0.0016	24.5	0.85
SWC180BH	180	22.4	11.2	≤15	100	840	155	105	114	110	8×∅17	17	5	24	7	0.175	0.007	70	2.8
SWC200BH	200	36	18	≤15	110	860	170	120	133	115	8×∅17	17	5	28	8	0.314	0.013	98	3.7
SWC225BH	225	56	28	≤15	140	920	196	135	152	120	8×∅17	20	5	32	9	0.538	0.023	122	4.9
SWC250BH	250	80	40	≤15	140	1035	218	150	168	140	8×∅19	25	6	40	12.5	0.966	0.028	172	5.3
SWC280BH	285	120	58	≤15	140	1190	245	170	194	160	8×∅21	27	7	40	15	2.011	0.051	263	6.3
SWC315BH	315	160	80	≤15	140	1315	280	185	219	180	10×∅23	32	8	40	15	3.605	0.008	382	8
SWC350BH	350	225	110	≤15	150	1440	310	210	245	194	10×∅23	35	8	50	16	5.316	0.146	532	11.5
SWC390BH	390	320	160	≤15	170	1590	345	235	267	215	10×∅25	40	8	70	18	12.16	0.222	738	15
SWC440BH	440	500	250	≤15	190	1875	390	255	325	260	16×∅28	42	10	80	20	21.42	0.474	1190	21.7
SWC490BH	490	700	350	≤15	190	1985	435	275	351	270	16×∅31	47	12	90	22.5	34.1	0.69	1542	27.3
SWC550BH	550	1000	500	≤15	240	2300	492	320	426	305	16×∅31	50	12	100	22.5	68.92	1.357	2380	34