Product Description
SAF Type Helical Worm Gearbox with NEMA Flange
|
Input Configurations |
Direct motor coupled |
|
With IEC B5/B14 motor flange |
|
|
With IEC B5/B14 motor mounted |
|
|
With CHINAMFG input shaft |
|
|
Output Configurations
|
CHINAMFG output shaft |
|
CHINAMFG output shaft with flange |
|
|
Hollow output shaft |
|
|
Hollow output shaft with flange |
|
|
Variants of the Helical Worm Gear Unit Series S / SF / SA / SAF |
Foot- or flange-mounted |
|
B5 or B14 flange-mounted |
|
|
CHINAMFG shaft or hollow shaft |
|
|
Hollow shaft with keyed connection, shrink disk, splined hollow shaft, or Torque Arm |
Technical Data:
| Housing material | Cast iron/Ductile iron |
| Housing hardness | HBS190-240 |
| Gear material | 20CrMnTi alloy steel |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Input / Output shaft material | 42CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | accurate grinding, 6~5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | tempering, cementiting, quenching, etc. |
| Efficiency | 94%~96% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. rise (MAX) | 40°C |
| Temp. rise (Oil)(MAX) | 50°C |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, NSK. |
| Brand of oil seal | NAK — ZheJiang or other brands requested |
Features
High modular design, flexible mounting mode.
Integrated casting housing,compact dimension, stable transmitting and low noise level.
Perfect oil leakage preventing makes the good sealings and can be used in wide range of industry.
Advanced gear grinding and modified profile, high loading support and more safe operation.
High efficiency and save power.
Save cost and low maintenance.
Specification
|
Model |
Shaft Dia. mm |
Horizontal Center Height mm |
External Flange Dia. mm |
Power (kw) |
Ratio (i) |
Nominal Torque (Nm) |
|
|
CHINAMFG Shaft |
Hollow Shaft |
||||||
|
S/SF/SA/SAF37 |
ф20 |
ф20 |
88 |
0.12-0.55 |
24-204 |
100 |
|
|
S/SF/SA/SAF47 |
ф25 |
ф30 / ф25 |
100 |
160 |
0.18-0.75 |
24-204 |
150 |
|
S/SF/SA/SAF57 |
ф30 |
ф35 / ф30 |
112 |
200 |
0.75-1.5 |
24-204 |
250 |
|
S/SF/SA/SAF67 |
ф35 |
ф45 /ф40 |
140 |
200 |
0.75-3 |
24-285 |
460 |
|
S/SF/SA/SAF77 |
ф45 |
ф60 / ф50 |
180 |
250 |
0.75-7.5 |
24-385 |
1200 |
|
S/SF/SA/SAF87 |
ф60 |
ф70 / ф60 |
225 |
350 |
1.1-11 |
24-389 |
2000 |
|
S/SF/SA/SAF97 |
ф70 |
ф90 / ф70 |
280 |
450 |
1.5-18.5 |
24-389 |
3500 |
Company profile
Scenario
Packing
FAQ
Q1: I want to buy your products, how can I pay?
A: You can pay via T/T(30%+70%), L/C ,D/P etc.
Q2: How can you guarantee the quality?
A: One year’s warranty against B/L date. If you meet with quality problem, please send us pictures or video to check, we promise to send spare parts or new products to replace. Our guarantee not include inappropriate operation or wrong specification selection.
Q3: How we select models and specifications?
A: You can email us the series code (for example: RC series helical gearbox) as well as requirement details, such as motor power,output speed or ratio, service factor or your application…as much data as possible. If you can supply some pictures or drawings,it is nice.
Q4: If we don’t find what we want on your website, what should we do?
A: We offer 3 options:
1, You can email us the pictures, drawings or descriptions details. We will try to design your products on the basis of our
standard models.
2, Our R&D department is professional for OEM/ODM products by drawing/samples, you can send us samples, we do customized design for your bulk purchasing.
3, We can develop new products if they have good market. We have already developed many items for special using successful, such as special gearbox for agitator, cement conveyor, shoes machines and so on.
Q5: Can we buy 1 pc of each item for quality testing?
A: Yes, we are glad to accept trial order for quality testing.
Q6: How about your product delivery time?
A: Normally for 20’container, it takes 25-30 workdays for RV series worm gearbox, 35-40 workdays for helical gearmotors. /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Motorcycle, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | M1-M6 |
| Samples: |
US$ 224/Piece
1 Piece(Min.Order) | Order Sample SAF67-NEMA143TC-V-121.33-D45-A-M4
|
|---|
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Calculating Torque Requirements for a NEMA Gearbox
To calculate torque requirements for a NEMA gearbox, you need to consider factors like load type, speed, and efficiency. Use the formula: Torque (Nm) = (Power (W) × 1000) / (Speed (RPM) × Efficiency). Determine the required power and speed, and account for efficiency losses. Ensure that the calculated torque is within the gearbox’s rated torque capacity. It’s essential to factor in safety margins and dynamic loads for accurate results.
Design Principles of NEMA Gearbox
NEMA gearboxes are designed based on the National Electrical Manufacturers Association standards, focusing on compatibility with NEMA motors. They feature a compact and versatile design, often incorporating helical, worm, or bevel gear configurations. These gearboxes are built for efficiency, durability, and precision, ensuring reliable power transmission. Key design principles include precise machining, quality materials, accurate alignment, and efficient heat dissipation. NEMA gearboxes are engineered to meet the needs of various industries and applications while adhering to standardized dimensions for motor compatibility.
Industries Using NEMA Gearboxes
NEMA gearboxes find applications in various industries such as manufacturing, food processing, packaging, material handling, textiles, robotics, agriculture, and more. They are used in conveyor systems, pumps, mixers, agitators, conveyors, and other machinery where reliable and efficient power transmission is essential. Their versatility and compatibility with NEMA motors make them a popular choice across different sectors.
editor by CX 2024-02-29
by
Leave a Reply