LOCTITE Electric Motor Gearbox Manufacturer, Switchgear Assembly

Challenges

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Assembly of Switchgears and circuitbreakers

Assembly of Switchgears and circuitbreakers

As a Switchboard or circuitbreaker manufacturer you face demanding market requirements for increased product durability, safety and lower production costs. We offer reliable and cost-effective solutions for helping manufacturers to improve performance and reduce overall costs.

Miniature circuit breaker

Pole assembly

Most industrial centrifugal pumps carry a significant capital equipment value. It is important to extend their service lives and ensure that they run efficiently. Proactive maintenance can reduce the risk of breakdowns and increase pump reliability and longevity.

Bearing Frame & Housing

Challenge 1: Oil Leaks from Threaded Assemblies

The gaps between threads of drain plugs, oiler nipples, fittings etc. can lead to oil leaks due to constant pressure changes within the bearing housing. Not only do these leaks increase costs but also lead to the seizure of fittings and safety hazards.

Solution: Seal threaded assemblies with LOCTITE 567 Thread Sealant

Challenge 2: Bearing Spinout, Corrosion and Component Damage

Bearings are prone to spinning either on their shafts, or within their housings, resulting in damage to these parts regardless of whether they have been pressed, shrunk or slip fitted in place. The gap that exists between a bearing and shaft is an area where rust can form and cause damage to the parts.

Solution: Fit and seal bearings with LOCTITE 641 Bearing Retainer

Frame Adapter

Challenge 1: Gasket Failure between Bearing Frame and Frame Adapter

Leaks from the frame connection can mean money lost in oil consumption and potential safety hazards. This happens because pre-cut gaskets cannot tackle the gap between flange surfaces. Flange imperfections are potential leak paths that pre-cut gaskets cannot seal and they relax over time to make the gaps large enough for leaks to happen.

Solution: Seal flanges with LOCTITE 518 Flange Sealant

Challenge 2: Fastener Loosening and Corrosion to Frame Adapter Mounting Bolts

Bolts are always under strain caused by torque, vibration, shock, thermal expansion and contraction. The gaps between the engaging nuts and bolts allow these external factors to challenge the clamp load.

Solution: Lock and seal bolts with LOCTITE 243 Threadlocker

Pump Casing

Challenge: Corrosion and Seizure of Pump Casing Bolts

The severe pump environments of constant temperature, pressure and humidity changes cause the pump casing bolts to corrode and seize. Seized casing bolts make pump maintenance difficult and create additional labor associated with drilling and tapping the bolt hole.

Solution: Seal and Protect Bolts with LOCTITE 243 Threadlocker

Challenge: Leaks between the Stuffing Box and Casing

The use of cut gaskets has inherent problems. Neither does it occupy all flange irregularities, nor does it maintain elasticity. This leads to creation of leak paths that corrode and damage the flange surfaces.

Solution: Seal flanges with LOCTITE 518 Flange Sealants

Coupling

Pump Base Mounting

Industrial gearboxes play an important role in processing and manufacturing facilities. Reliable operation over a long service life, with minimum maintenance, is a key requirement. Proactive maintenance can minimize expensive downtime, enhance reliability and dramatically cut costs.

Housing

Housing and Cover Assembly

Challenge 1: Gasket Failure Between Upper and Lower Housing of a Split Gearbox

Oil leakage from failed gasket between upper and lower housings of split case gearbox can increase risk of gearbox running low on oil and increase overall oil consumption, safety hazards and clean-up costs.

Solution: Seal flanges with LOCTITE 518 Gasketing Compound

Challenge 2: Loosening and Corrosion of Housing and Cover Fasteners

Cover fasteners can loosen when exposed to torque, vibration, thermal expansion and shock loads. Once the fasteners become loose, the preload on the gasket is lost and the gasket fails. Additionally, cover fasteners can corrode and seize making gearbox maintenance difficult and hence create additional labour associated with drilling and tapping of the fastener hole.

Solution: Secure cover fasteners with LOCTITE 243 Threadlocker

Lubrication and Cooling System

Shaft Mounted Components

Challenge 1: Spun Bearings on Shaft

Bearings are prone to spinning on the shaft due to dynamic load on the assembly which produces axial loads higher than the original calculations. This bearing spin leads to damage on both shaft and bearing which may necessitate component replacement, causing unplanned downtime and scrap costs.

Solution 1: Fit bearings on shaft with LOCTITE 641 Retaining Compound (gap < 0.15mm)
Solution 2: Fit bearings on shaft with LOCTITE 660 Retaining Compound (gap < 0.5 mm)

Challenge 2: Loosening of Fitted Gears

Gears are prone to loosening on the shaft under dynamic loads, leading to reduction in torque transmitted.

Solution: Fit gears on shaft with LOCTITE 638 Retaining Compound

Gearbox Mounting Bolt

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Miniature circuit breaker

Challenge 1: Loosening during transit

Pole assembly

Challenge 1: Vibrational loosening

Challenge 2: Gas leakage