18-21V Brushless Lithium-ion Cordless Torque Wrench, 40Nm Adjustable Torque Electric Clutch Wrench, Industrial DIY, 1/4-inch Drive
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Introduction
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Electronic Clutch Pulse Wrench
● High Efficiency
● High-Speed
● Digital Display
High-Precision Control Pursuing Perfection
Digital Display
Multiple Operation Modes
Real-Time Monitoring
Why choose SMG
High-Precision Torque Control with Easy Operation and Intuitive Display.
Reliable clutch system
Dual control of the motor and clutch significantly enhances torque accuracy.
Ultra-Low Vibration & Operator Comfort
Low vibration reduces operator fatigue, suitable for long-time operation.
Smart & Intuitive Operation
Digital display and easy setting interface allow real-time monitoring and simple adjustments.
Durable Oesign with Extended Warranty
Rugged construction ensures long service life - backed by a 2-year warranty.
Reliable 24/7 After-Sales Support from Our Expert Engineering Team.
Model A B C squareD Minimum torque (NM) Maximum torque (NM) speed (r/min) weight (kg) LDL-5 200 230 25 1/4 0.8 5 1000 1 LDL-10 200 230 25 1/4 2 10 1000 1 LDL-20 220 230 25 1/4 5 20 1000 1.2 LDL-30 220 230 25 1/4 10 30 1000 1.4 LDL-40 220 230 25 1/4 18 40 1000 1.4 Product Oetails
1.Real-time display of torque and speed
2.Torque freely adjustable in 1 Nm increments
3.Precise torque control with ±5% accuracy and ±2% repeatability
4.Automatic shutdown upon reaching the preset target value
5.Calibration function for benchmark values under various working conditions
6.Motor overheating alarm, system fault alarm, operation error alarm,and torque overload protection
7.Supports data export via Wi-Fi or USB, including operation logs
8.Fast connection with host computer and integration with MES man agement system via loT
9.Dual control system with motor and mechanical clutch for higher torque precision
PRODUCT FEATURES
1. Human-Machine Interface: Programmable, digitally adjustable, torque display, working status, alarm system
2. Precise Control: Output torque controlled within 2% - 5%
3. Rotation Angle Output Mode: Automatic release of the reaction arm
4. Calibration: Adapts to different working conditions and reverse-calibrates the sensor torque
5. Inteligent Control: Real-time monitoring of tightening resuts (fallure. success, incomplete): supports data export and remote control
6. High-Quality Materials: High-precision planetary gears made of ultra-high strength (2140 MPa) steel
7. Imported Motor: High-grade Milwaukee motor
8. Patented Auxiliary Accessories: Optional dual combination of power supply and battery
Model A(mm) B(mm) C(mm) Square D (“) E/F/G/H (mm) Minimum torque (N.M) Maximum torque (N.M) speed (r/min) weight (kg) SMG-LD-10 200 230 50 1/2 X 2 10 500 2 SMG-LD-50 200 230 50 1/2 X 10 50 350 2 SMG-LD-100 220 230 70 1/2 X 20 100 100 2 SMG-LD-200 220 230 70 1/2 X 40 200 100 2.5 SMG-LD-500 260 230 70 1/2 X 100 500 15 3 SMG-LD-1000 290 230 70 3/4 X 200 1000 8 3.5 
Please select the correct torque
Before selecting the wrench, a principle should be determined that the torque of the loose bolt should be at least 120% of the torque of the tightened bolt
Special specifications of reaction arms can be customized. If you have any requirements, please contact us.
INDUSTRY COMPARISON
NO. Brand Motor Lithium Battery Reaction Arm Gearbox Accuracy Price After Sales 1 World-class brand 1. Independently researched and developed.
2. The manufacturer recommends operating at no more than 80% of the rated maximum torque; prolonged use at full capacity is not advised.The original battery requires customization and is relatively expensive. 1. Monolithic construction with high support strength, high yield strength, ensuring greater safety and reliability.
2. Versatile reaction arms can be customized for different working conditions.
3. Customized products have long lead times and require advance reservation.1. Material complies with European standards (high support strength, high yield strength).
2. Independently researched and designed.
3. High machining accuracy.±4% (accuracy), ±2% repeatability Absurdly high Imported with original packaging; long replacement cycles and high after-sales costs. 2 Shanghai SMG Milwaukee motor (3-year warranty):
1. Milwaukee’s proprietary industrial-grade brushless motor design ensures superior lifespan and power efficiency.
2. Capable of continuous long-term operation without overheating or triggering automatic thermal protection shutdown.Imported CARP battery:
1. Capacity: 2176 mAh × 2
2. Cycle life: 2,000–3,000 charge/discharge cycles
3. Fast charging (45 minutes); charger can be customized for international markets
4. Optional low-temperature battery operates normally at approximately -40°C, retaining 80% discharge capacity.1. Monolithic construction with high support strength, high yield strength, ensuring greater safety and reliability.
2. Versatile reaction arms can be customized for different working conditions.
3. Customized products have long lead times and require advance reservation.1. Material: National standard 300M steel (high support strength, high yield strength)
2. Independently researched and designed
3. High machining accuracy±4% (accuracy), ±2% repeatability Reasonable price (lower than peers; we earn reasonable profits) All accessories are independently designed, developed, and manufactured in-house. With our own production and R&D teams, we offer rapid after-sales response at low cost. 3 Domestic Brand 1 1. Maitaibao motor
2. The manufacturer recommends operating at no more than 80% of the rated maximum torque; prolonged use at full capacity is not advised.Domestic battery with adjustable capacity; 800–1,000 charge/discharge cycles. Multiple reaction arm options available. 1. Material specifications unclear
2. Independently researched and designed
3. High machining accuracy±4% (accuracy), ±2% repeatability Reasonable price compared to imported products No in-house production; relies on outsourced assembly. After-sales service is slow and only slightly less expensive.
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