Plastic injection moulding machinery is designed to operate under demanding conditions, often running for extended periods in busy production environments. Over time, however, regular use causes wear and tear across mechanical, hydraulic and electrical components.
Without routine servicing and maintenance, small issues can develop into significant problems, affecting production efficiency, product quality and operating costs.
While skipping a service might seem like a way to save money in the short term, neglecting machinery maintenance can lead to far greater expenses further down the line.
1. Increased Risk of Unexpected Breakdowns
One of the biggest risks of failing to service injection moulding machinery is an unexpected breakdown.
Components such as hydraulic pumps, motors, seals, valves and bearings can deteriorate gradually during normal operation. Without regular inspection, early warning signs may go unnoticed until a component fails.
An unplanned breakdown can bring production to a complete standstill, delaying orders and potentially affecting customer relationships. Depending on the fault, repairs may also require replacement parts, specialist engineering support and extended downtime while components are sourced.
Regular servicing helps identify developing faults before they become major failures, allowing maintenance to be planned around production schedules rather than carried out in response to an emergency.
2. Reduced Product Quality and Consistency
Consistent product quality depends on the accurate control of temperature, pressure, injection speed and clamping force.
As machinery components wear or fall out of adjustment, these parameters can become more difficult to maintain. For example, problems with hydraulic systems, temperature control or injection mechanisms may contribute to inconsistent filling, dimensional variation, surface defects or increased rejection rates.
Even small variations can have a significant impact in applications where tight tolerances and repeatable results are essential.
Routine maintenance helps keep machinery operating within its intended parameters, supporting consistent production and reducing unnecessary material waste.
3. Higher Energy Consumption and Running Costs
Machinery that is not properly maintained may become less efficient over time.
Worn components, hydraulic leaks, restricted filters and poorly maintained cooling systems can all affect machine performance. Depending on the equipment and the nature of the fault, this can increase energy consumption or cause the machine to work harder than necessary.
These additional costs can be difficult to identify because they often develop gradually rather than appearing as a single, significant expense.
Regular inspections and servicing can help identify inefficiencies, allowing corrective work to be carried out before they have a greater impact on operating costs.
4. Increased Wear on Critical Components
Injection moulding machines rely on several interconnected systems working together. When one component begins to deteriorate, it can place additional strain on other parts of the machine.
For example, contaminated hydraulic oil can contribute to wear within pumps, valves and other hydraulic components. Similarly, inadequate lubrication can accelerate wear on moving parts.
If these issues are left unresolved, a relatively straightforward maintenance task may eventually develop into a more expensive repair involving multiple components.
Following the manufacturer’s recommended maintenance schedule helps protect critical equipment and can extend its useful working life.
5. Greater Risk to Operator Safety
Machinery maintenance is also an important part of maintaining a safe working environment.
Faulty electrical components, damaged hydraulic hoses, malfunctioning safety interlocks and worn mechanical parts can create potential hazards for operators and maintenance personnel.
Routine inspections help identify defects that could compromise safe operation. Any faults affecting safety systems should be investigated and rectified before the machine is returned to service.
Maintenance should always be carried out by suitably qualified personnel, following the manufacturer’s instructions and appropriate isolation procedures.
6. Unplanned Downtime and Disrupted Production
In a production environment, machinery downtime affects more than the machine itself.
When an injection moulding machine becomes unavailable, production schedules may need to be rearranged, staff and other equipment may be left waiting, and delivery commitments can become harder to meet.
Emergency repairs can also be more difficult to organise than planned maintenance, particularly when specialist parts or engineering support are required.
Planned servicing provides an opportunity to assess machinery condition, identify maintenance requirements and schedule work at a more convenient time.
Although servicing requires an investment of time and money, it can help reduce the likelihood of disruptive failures and make production planning more predictable.
7. Shortened Machinery Lifespan
Injection moulding machinery represents a significant investment for any plastics manufacturer. Protecting that investment requires attention to the condition of the equipment throughout its working life.
Ignoring routine maintenance can allow wear, contamination and developing faults to progress unchecked. Over time, this may contribute to premature component failure, more extensive repairs and a reduced useful lifespan.
A structured maintenance programme helps manufacturers understand the condition of their machinery and address issues before they cause unnecessary damage.
The precise maintenance requirements will depend on the machine type, its age, operating conditions and production demands. Following the manufacturer’s recommendations is therefore essential.
What Should Regular Injection Moulding Machine Servicing Include?
The appropriate service will vary depending on the machinery and its operating requirements. However, a planned maintenance programme may include:
- Hydraulic system checks: Inspecting for leaks, checking hoses and connections, and assessing hydraulic oil condition.
- Lubrication: Checking lubrication systems and ensuring moving components receive the lubrication specified by the manufacturer.
- Electrical inspections: Checking relevant electrical components, connections and control systems.
- Heating and cooling systems: Inspecting heaters, temperature controls, cooling circuits and associated components.
- Mechanical inspections: Assessing the condition of moving parts, clamping mechanisms and other critical assemblies.
- Safety system checks: Verifying the condition and operation of guards, interlocks and other safety-related equipment.
- General condition assessment: Identifying signs of wear, abnormal noise, leaks or other changes in machine performance.
Servicing should follow the manufacturer’s instructions and be appropriate to the particular machine. It should not be treated as a substitute for daily operator checks or any additional maintenance required by the equipment’s operating conditions.
Is Preventative Maintenance Worth the Investment?
For most plastics manufacturers, the cost of planned maintenance should be considered alongside the potential cost of equipment failure.
A breakdown can involve repair costs, lost production time, wasted material and delays to customer orders. In contrast, planned servicing allows maintenance requirements to be identified and addressed in a more controlled way.
Preventative maintenance cannot eliminate every machinery fault, but it can help reduce avoidable failures, support reliable operation and improve visibility of future maintenance requirements.
The key is to take a proactive approach rather than waiting until a machine develops a fault.
Keep Your Machinery Running at Its Best with Geiger Handling
Regular servicing is an important part of maintaining the performance, reliability and longevity of plastic injection moulding machinery.
By identifying wear early, addressing developing faults and following an appropriate maintenance schedule, manufacturers can help minimise disruption and protect their investment in production equipment.
At Geiger Handling, we understand the importance of keeping plastics machinery operating reliably. If your equipment is due for maintenance or you have concerns about its performance, contact our team to discuss your machinery servicing requirements.
Taking action early can help prevent minor issues from becoming major problems.