Mechanical overload protection device "Shock Guard TGM Series"
Sealed structure and high precision. Excellent protective device with environmental resistance under adverse conditions such as oil and water.
<Shock Guard TGM Series> The Shock Guard TGM series is a device that releases overload by allowing the cam follower to rotate and slip when a torque exceeding the set value is applied. Unlike other series, the TGM series demonstrates effectiveness in protecting machinery under certain adverse conditions such as water, oil, and dust. By clicking on the <Tsubaki Power Transmission Comprehensive Technology Site - Shock Guard TGM Detail Page> below, you can view detailed product descriptions. You can also check for new model numbers, replacement software from old model numbers to new model numbers, automatic drawing services, instruction manuals, 2D CAD & 3D CAD, selection and troubleshooting, etc. <Model Number Change> Model number changes were implemented from April 2018. The shaft hole diameter is compatible in millimeter units, with a total of nine types of shaft hole tolerances and four types of keyway tolerances available from both new JIS and old JIS, achieving over one million combinations.
basic information
**Features** - Sealed Structure Covered with a special aluminum alloy case and sealed, making it difficult for water and oil to leak or intrude. - No Backlash The engagement between the cam follower and the pocket is a two-point contact, so there is no backlash. - Automatic Reset After removing the cause of overload, simply rotating the input shaft slightly will re-engage it and return it to its original state. - One Position Type Returns to the original phase with two-point contact between the cam follower and the pocket. There is no phase misalignment between the driving side and the driven side. - No Grease Required Since grease is pre-filled, it can be used as is. - LS Detection Plate After detecting an overload, the detection plate thrusts in the axial direction to easily turn off the power or trigger an alarm by activating the limit switch. The LS detection plate is also standard equipment.
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Applications/Examples of results
【Water Gate・Pump】 In the case of TGM, it is also used for overload protection of pumps. It is expected to protect the equipment from overload when foreign substances with high viscosity, such as sludge and grease, invade under harsh conditions.
Detailed information
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Application Example 1: Pump This is an example of use to protect the pump from overload caused by high clay content or the intrusion of foreign substances.
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Application Example 2: Rotary Pump This is an application example for a rotary pump that transports heavy oil and tar, designed to prevent damage to the rotor shaft from overload caused by foreign substances mixing in.
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Line up（7）
| Model number | overview |
|---|---|
| TGM3 | [Spring Strength] WS (Weak), Standard [Setting Torque Range] 0.6~3.7N·m [Maximum Rotational Speed] 600r/min [Shaft Hole Diameter] 10mm~14mm |
| TGM6 | [Spring Strength] Standard, SS (Strong) [Setting Torque Range] 2.5~12N·m [Maximum Rotational Speed] 600r/min [Shaft Hole Diameter] 10mm~14mm |
| TGM20 | [Spring Strength] WS (Weak), Standard, SS (Strong) [Setting Torque Range] 3.7~23N·m [Maximum Rotational Speed] 500r/min [Shaft Hole Diameter] 14mm~20mm |
| TGM60 | [Spring Strength] WS (Weak), Standard, SS (Strong) [Setting Torque Range] 7.6~105N·m [Maximum Rotational Speed] 300r/min [Shaft Hole Diameter] 20mm~30mm |
| TGM200 | [Spring Strength] WS (Weak), Standard, SS (Strong) [Setting Torque Range] 30~289N·m [Maximum Rotational Speed] 200r/min [Shaft Hole Diameter] 28mm~50mm |
| TGM400 | [Spring Strength] WS (Weak), Standard [Setting Torque Range] 118~451N·m [Maximum Rotational Speed] 150r/min [Shaft Hole Diameter] 38mm~60mm |
| TGM800 | [Spring Strength] Standard, SS (Strong) [Setting Torque Range] 451~1060N·m [Maximum Rotational Speed] 150r/min [Shaft Hole Diameter] 38mm~60mm |
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Our company, as a member of the Tsubakimoto Chain Group, is dedicated to providing solutions that meet our customers' needs, focusing our business on three main pillars: chains, precision machinery products, and conveyor systems. In April 2012, we reorganized within the group, and our chain business restarted with a focus on the Tsubaki brand's top chain operations. In recent years, driven by energy conservation and cost reduction, engineering plastic chains have become widespread in various applications that replace traditional conveyor systems, with increasing demand not only domestically but also internationally. The need for products that can withstand harsh operating conditions is also growing, making it increasingly important to provide solutions through optimal products and appropriate engineering services. In this context, we have significantly revamped our structure to consolidate the group's strengths and enhance functionality and efficiency. Our production base, the Kuki Factory, underwent extensive renovations, greatly increasing production capacity, and we completed a new factory building in March 2013. We sincerely thank you for your long-standing support and ask for your continued guidance and encouragement in the future.