DYNA Engineering

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DYNA Engineering DYNA Engineering is a proudly owned & operated Australian company with our head office and factory located in Bayswater, Western Australia.

We specialise in the design, manufacture and supply of conveyor equipment, and related services.

The upfront cost of HDPE and steel guarding is comparable. The 10-year cost is not.Steel guards in corrosive environment...
22/10/2026

The upfront cost of HDPE and steel guarding is comparable. The 10-year cost is not.

Steel guards in corrosive environments are being replaced on 18 to 24 month cycles on some sites, with surface treatment maintenance between replacements. A conveyor installation that replaces steel guards twice over a 10-year period has spent the purchase price three times, plus the labour and downtime cost of each change-out. HDPE guards carry a 10 to 15 year service life expectancy without surface treatment. Over the same 10-year window, the HDPE installation is still on the original set of guards with no repainting cost.

The weight difference adds to that calculation. At roughly 40% lighter than steel equivalents, HDPE guards reduce the manual handling exposure on every installation and maintenance task across the life of the installation. On a long conveyor run, the accumulated lift reduction over 10 years of periodic guard removal and replacement is significant.

The cost comparison is most straightforward when the replacement cycle data exists for the steel installation. That data is usually available from the site's maintenance records.

More on the blog: https://www.dynaeng.com.au/blog/11-benefits-of-hdpe-conveyor-guards/

HDPE conveyor guards are revolutionising the conveyor industry and have a number of advantages when compared to conventional steel mesh designs.

A belt that's in serviceable condition on its face can still carry a splice that's approaching failure. The splice is th...
20/10/2026

A belt that's in serviceable condition on its face can still carry a splice that's approaching failure. The splice is the weakest cross-section of the belt, and it's where failure initiates when the inspection interval isn't matched to the rate at which splice condition deteriorates under the operating loads.

Vulcanised splice condition degrades through fatigue. The bond between plies breaks down progressively under repeated flexing cycles, most severely at the transition point where the splice meets the full belt cross-section. Surface cracking and edge lifting at the splice are visible indicators that the bond has started to fail. At that point the splice needs attention before separation under load creates an unplanned stoppage.

The appropriate inspection interval for a splice isn't fixed -- it depends on belt speed, the tension the splice is carrying, the material being conveyed, and the operating temperature. A splice running at high tension on a heavily loaded system deteriorates faster than the same splice on a lightly loaded application. The inspection frequency should reflect that, not default to a standard schedule that was set for different conditions.

More on the blog: https://www.dynaeng.com.au/blog/common-causes-of-conveyor-belt-damage/

In this blog article we discuss some common causes of conveyor belt damage and some ways to prevent them so you can optimise your production.

A factory acceptance test is the formal inspection of completed equipment at the manufacturer's workshop before it leave...
19/10/2026

A factory acceptance test is the formal inspection of completed equipment at the manufacturer's workshop before it leaves for site. For conveyor components, it's the point at which the equipment is verified against the design specification, the inspection and test plan, and any project-specific requirements that were agreed at kickoff.

The FAT covers dimensional checks, weld inspection, surface treatment condition, rotation checks where applicable, and documentation review. Deficiencies identified at FAT are resolved in the workshop before dispatch, which is significantly cheaper and less disruptive than discovering the same issue during site installation when the crew and equipment are already mobilised.

DYNA Engineering's project documentation process includes FAT as a standard step, alongside inspection and test plans and material data records. The documentation package that accompanies the equipment to site gives the installation and commissioning team a complete record of what was built, what was checked, and the results of those checks. That record becomes part of the asset's maintenance history from the first day of operation.

More on the blog: https://www.dynaeng.com.au/blog/always-adapting-to-customer-needs-australian-mining/

The latest iteration of our HDPE guard mesh has increased washdown/spray through and view angles which has had great outcomes for customers.

Standard impact idlers, hybrid impact beds, and full impact beds address the same problem at different points on the loa...
14/10/2026

Standard impact idlers, hybrid impact beds, and full impact beds address the same problem at different points on the load and cost spectrum. Which one is appropriate at a given transfer point follows from the actual impact energy arriving at that point and the maintenance history of whatever is currently installed there.

Standard impact idlers suit load zones where drop heights are controlled, material size is consistent, and impact energy stays within the idler's bearing capacity. When the replacement frequency tells you that it isn't, the choice is between a hybrid and a full impact bed.

A hybrid impact bed replaces the idler frames in the highest-impact section of the load zone with an impact-absorbing support surface while retaining idlers elsewhere. It removes bearing failure from the critical section without the cost of converting the entire load zone. A full impact bed replaces the idler arrangement across the whole load zone with continuous impact bar support and a UHMW sliding surface. It's the appropriate specification where the impact energy is consistently high across the full load zone and where minimal belt sag and maximum sealing performance are required.

The load zone condition determines the specification. The replacement interval on the current arrangement is usually the most reliable indicator of where on that spectrum the application sits.

More on the blog: https://www.dynaeng.com.au/blog/hybrid-impact-bed-an-ideal-mid-range-impact-solution/

The hybrid impact bed is a spin off design from the traditional impact bed, which incorporates impact idlers in the centre of the structure and impact...

DYNA Engineering has been operating from its Bayswater workshop for over 30 years. The product range today -- HDPE guard...
13/10/2026

DYNA Engineering has been operating from its Bayswater workshop for over 30 years. The product range today -- HDPE guards, HDPE composite rollers, DYNAFastFit scrapers, DYNA-TRAC tracking rollers and diverter ploughs -- didn't exist in its current form when the company started. It developed in response to specific site problems that standard products from offshore suppliers weren't solving.

The HDPE guarding range came from recognising that steel guards were creating a maintenance burden that corrosion-proof, lightweight alternatives could eliminate. The DYNAFastFit scraper range came from the problem of scrapers that were difficult to service in awkward positions. HDPE composite rollers came from demand for the corrosion and noise benefits of HDPE in duty conditions that plain HDPE tubes weren't rated for.

When the manufacturer is also the designer, and the design team is talking directly to site operators and maintenance supervisors, the product development cycle moves differently. The application constraint comes in through the customer relationship and the engineering response comes out through the same workshop that will produce the component.

More on the blog: https://www.dynaeng.com.au/blog/dyna-over-the-decades-austalian-bulk-handling-review/

DYNA Engineering has adapted over the decades, weather the mining cycles and has grown to be a strong industry competitor.

Impact idler bearing failure at a transfer point is a signal. The bearing is absorbing shock loads that exceed what it w...
11/10/2026

Impact idler bearing failure at a transfer point is a signal. The bearing is absorbing shock loads that exceed what it was designed for, and it fails as a result. Replacing the bearing or the idler set brings the conveyor back online, but it doesn't change the load conditions that caused the failure. The replacement goes through the same cycle.

The load at a transfer point is determined by the drop height, the material size, and the feed rate. When any of those exceed the design assumptions for the impact idler specified, the energy that can't be absorbed through the roller contact points goes into the bearing and shaft interface. That's where failure initiates.

A hybrid impact bed sits between standard impact idlers and a full impact bed in both cost and performance. It provides a continuous support surface with impact-absorbing bars across the critical section of the load zone, removing bearing failure from that zone, while retaining idler frames outside the impact area where the loading is within the standard idler's range. It suits applications where full replacement of the load zone isn't warranted but the current idler arrangement is producing a maintenance cycle that a standard replacement isn't resolving.

More on the blog: https://www.dynaeng.com.au/blog/hybrid-impact-bed-an-ideal-mid-range-impact-solution/

The hybrid impact bed is a spin off design from the traditional impact bed, which incorporates impact idlers in the centre of the structure and impact...

Steel rollers generate noise through bearing vibration and the contact between steel components at the idler. On a conve...
07/10/2026

Steel rollers generate noise through bearing vibration and the contact between steel components at the idler. On a conveyor running continuously near a residential area or an adjacent facility with noise-sensitive operations, that baseline level has two sets of consequences: operational exposure for personnel working near the conveyor, and a potential constraint on project approval for new installations.

HDPE rollers run up to 10dB quieter than steel. The composite material dampens bearing noise and the contact surface behaves differently under load. A 10dB reduction is not marginal -- it's the difference between a noise level that registers as a formal concern in a planning process and one that doesn't. For a conveyor that was rejected or conditionally approved based on a noise threshold, HDPE roller specification can be the technical change that resolves the condition.

The same specification that addresses the noise also removes the corrosion and surface treatment maintenance cycle that steel generates in wet or chemically aggressive environments. The roller change is not a noise-only decision.

More on the blog: https://www.dynaeng.com.au/blog/why-hdpe-conveyor-rollers-reduce-noise-downtime-and-corrosion-on-site/

HDPE conveyor rollers run quieter, resist corrosion, and reduce repeat roller change-outs in wet and high-duty conveyor applications.

Standard conveyor components cover most applications. When a site has a constraint that takes it outside the standard ra...
06/10/2026

Standard conveyor components cover most applications. When a site has a constraint that takes it outside the standard range -- an unusual transfer geometry, a material flow requirement that doesn't fit a catalogue solution, a spatial constraint that makes standard component dimensions unworkable -- bespoke fabrication is the practical path.

DYNA Engineering's fabrication capability at its Bayswater workshop covers coded welding, plasma cutting, machining, fitting, and spray painting across two facilities with a combined 2,000 square metres. Conveyor structures, chutes, impact beds, idler roller frames, and pulleys are all within that scope. The design process starts from the application constraint and works outward, rather than starting from a standard product and trying to adapt it.

The specification decision for bespoke vs standard comes down to whether the standard component solves the problem as it actually exists. Where it does, standard is faster, cheaper, and easier to support. Where it doesn't, designing and fabricating to the specific requirement is the only way to get a component that fits.

More on the blog: https://www.dynaeng.com.au/blog/solution-for-unusual-problems/

Article about DYNA is providing mechanical engineering solutions to conveyor issues, ISO accreditation and the mining industry.

Carryback on the return run is cleaned by three components working in sequence. The primary scraper at the head pulley t...
05/10/2026

Carryback on the return run is cleaned by three components working in sequence. The primary scraper at the head pulley takes off the bulk of material before the belt leaves the discharge zone. The secondary scraper further along the return run picks up what the primary missed: the finer particles and moisture film that the primary blade didn't have enough dwell time to remove. A V-plow at the tail end clears anything that made it through both scrapers and any debris that landed on the return belt surface, preventing it from reaching the tail pulley and being pressed between the belt and the pulley shell.

When carryback is building up under the return run, the starting point is identifying where in that sequence the cleaning is breaking down. A primary scraper that's out of adjustment or has worn blades isn't removing volume effectively. A secondary scraper with the wrong blade type for the material characteristics isn't removing adhesion. A V-plow that isn't positioned correctly or has a worn rubber element isn't clearing the tail end. The component that's not doing its job is usually identifiable from where the material is accumulating.

More on the blog: https://www.dynaeng.com.au/blog/guide-to-conveyor-belt-cleaning-solutions-australian-bulk-handling-review/

The causes and need for conveyor belt cleaning solutions is examined in our first article in Australian Bulk Handling Review.

A conveyor system project at DYNA Engineering starts with understanding what the customer needs: the material being hand...
30/09/2026

A conveyor system project at DYNA Engineering starts with understanding what the customer needs: the material being handled, throughput requirements, site constraints, and any application-specific factors that affect the design. That kickoff process feeds into project scheduling, goal-setting, and onboarding.

From there, the engineering work produces drawings that go through a formal review and approval process before fabrication begins. Factory acceptance testing is conducted on the completed equipment before it leaves the workshop. Inspection and test plans document what was checked and the results. Material data records track the materials used in fabrication. The package that gets delivered to site isn't just the equipment -- it's the documentation trail that supports installation, commissioning, and the site's own maintenance records.

On-site engineering support is available through installation and commissioning. The same engineers who designed and built the equipment can be there when it goes into service.

For project engineers specifying conveyor systems and components, the documentation process is what turns a fabricated product into an asset with a traceable history from design through to first operation.

More on the blog: https://www.dynaeng.com.au/blog/always-adapting-to-customer-needs-australian-mining/

The latest iteration of our HDPE guard mesh has increased washdown/spray through and view angles which has had great outcomes for customers.

Address

11 Rio Street
Bayswater, WA
6053

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm

Telephone

+61 8 9473 4300

Website

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