TM80M vs. TM113M: Choosing the Right Light Duty Drum Motor for Packaging Conveyors

Packaging conveyor lines place specific demands on the drive unit: compact dimensions, stable low-speed conveying, reliable start-stop behavior, and minimal maintenance. Two SEAPARKS models frequently compared for these lines are the TM80M and TM113M light duty drum motors. Both are single-phase asynchronous drum motors with polymer gears, but they differ in roller diameter, width requirements, belt pull capacity, and speed range. This guide compares the TM80M and TM113M using verified specifications so packaging conveyor builders can select the model that matches their load and speed needs.

The Challenge: Matching Drum Motor Specs to Packaging Conveyor Duty

A drum motor integrates the motor and gearbox inside the drum shell, directly driving the conveyor belt without external reducers, chains, or sprockets. For packaging conveyors, the right drum motor must deliver sufficient belt pull to move cartons or packaged goods while maintaining a usable belt speed. Two factors are often underestimated: the minimum roller width required for the conveyor frame and the motor's effective speed window. Selecting a drum that is oversized adds unnecessary cost and increases the minimum frame width; selecting one that is undersized can cause belt slip or stop under load.

SEAPARKS light duty drum motors are intended for industries including general belt conveyors, belt scale conveyors, packaging conveyors, airport baggage handling systems, and security screening conveyors. The TM80M and TM113M belong to this light duty category, which uses polymer gearing to reduce noise and cost where loads stay moderate.

Side-by-Side Specification Comparison: TM80M vs. TM113M

The table below summarizes the verified specifications for both models. Reviewing these parameters side-by-side clarifies which conveyor designs each motor fits.

What Each Model Does Well

TM80M: Compact Drive for Narrow and Light Packaging Lines

The TM80M uses an 80 mm diameter roller and has the smallest minimum roller width of the two at 260 mm. This makes it appropriate for compact conveyor sections where preserving space is a priority. Its 630 N maximum belt pull and low speed range of 0.05–0.85 m/s suit light product conveyance, such as moving small cartons or packages to an accumulation area or through a checkweigher.

Because the TM80M is a single-phase asynchronous motor, it can be connected to standard AC supply without a frequency converter in many basic installations. The polymer gear set contributes to lower operating noise and keeps the drive weight low, which benefits lighter conveyor frames.

TM113M: Higher Pull and a Wider Speed Window for Heavier Packages

The TM113M uses a 113 mm diameter roller, which gives more contact area and yields a higher 770 N maximum belt pull. It also provides a faster maximum belt speed of 1.05 m/s compared with 0.85 m/s on the TM80M, meaning packaging lines requiring feed rates above 0.85 m/s need the TM113M.

A minimum roller width of 310 mm supports wider belts than the TM80M allows, so the TM113M is a suitable next step for lines handling larger boxes or moderate load accumulation. Rated power of 0.12–0.18 kW corresponds to a higher torque ceiling (43.51 Nm), helping the motor hold speed under fluctuating package loads.

How to Read the Differences: Diameter, Width, and Speed

Why Roller Diameter Matters

Roller diameter affects belt wrapping angle and the diameter of the conveyor end rollers needed to match the belt. A Ø80 mm drum forms a smaller pulley envelope, reducing the height and length of the conveyor. A Ø113 mm drum provides more surface area for traction, which is one reason the TM113M achieves a higher maximum belt pull at a comparable torque-to-diameter ratio.

Minimum Roller Width Constraint

Minimum roller width determines how narrow a conveyor frame can be built around the drum. With a stated 260 mm minimum roller width, the TM80M fits more compact machines. Conversely, the TM113M's 310 mm minimum width requires slightly more structural width but gives access to more standard belt widths commonly seen on packaging lines.

Belt Speed Range

The nominal belt speed ranges indicate where each unit operates efficiently. The TM80M is configured for slower movement: 0.05–0.85 m/s. The TM113M extends from 0.11 m/s up to 1.05 m/s. If a line must vary speed near the lower end, the overlap between the two is wide, but the upper-speed ceiling is decisive for medium-throughput packaging lines.

Step-by-Step Selection Process for a Packaging Conveyor

1. Calculate effective belt pull. Sum the force needed to move the load, overcome belt friction, and accelerate the mass. Include edge guide friction and any incline factor.
2. Compare against the maximum belt pull. If the required pull exceeds 630 N, select the TM113M. For values under 630 N, either model may be valid, so continue the comparison.
3. Define the target belt speed. For speeds above 0.85 m/s, only the TM113M qualifies. For low-speed indexing under 0.85 m/s, the TM80M may deliver adequate performance in a smaller envelope.
4. Check the conveyor frame width. Confirm the structural width is compatible with the motor's minimum roller width. Choose the narrowest possible drum that otherwise satisfies pull and speed.
5. Verify power supply and controls. Both models are single-phase asynchronous motors. Confirm whether the local line requirements call for a carbon steel or stainless steel housing and whether IP66/IP67/IP69 protection matches the washdown environment.

Use Case: Packaging Conveyor Examples

Carton Packing and Checkweighing Feed

Small to medium cartons leaving a filling line often move onto a short checkweigher conveyor at moderate speed. The TM80M, with a compact 80 mm drum and 260 mm minimum width, fits these tight sections and carries loads within a 630 N pull envelope at speeds around 0.2–0.5 m/s.

Case Sealer and Labeling Feed Conveyors

Case sealers and labeling machines require a steady belt feed synchronized with intermittent downstream equipment. The TM113M, with a 770 N pull ceiling and speed range extending to 1.05 m/s, tolerates heavier cases and occasional stop-go motion without losing belt tension.

Belt Scale Conveyors with Light Products

The verified intended industries for both light duty drums include belt scale conveyors, where the belt is weighed continuously. The TM80M's lower speed is well matched to scale sections on low-throughput packaging lines, while the TM113M serves weighing applications requiring faster feed.

Construction and Protection: What Both Models Share

The TM80M and TM113M share several structural characteristics: both offer carbon steel or 304 stainless steel housings, polymer gear material, and IP66/IP67/IP69 protection. Where washdown is minimal, carbon steel keeps the drum economical. In humid or periodically cleaned environments, 304 stainless steel resists corrosion better. The IP69 rating allows high-pressure washdown, which also broadens these light duty drums to some food-adjacent packaging areas, although neither is labeled as a hygienic food-grade drum motor.

Both models belong to a range that is intended for applications including security screening conveyors (at airports and railway stations), airport baggage handling systems, packaging conveyors, belt scale conveyors, and general belt conveyors. This common basis means packaging line engineers can standardize housing material and protection class across both models while varying only diameter and power.

How These Motors Fit the Light Duty Drum Motor Portfolio

SEAPARKS offers a broader family of light duty conveyor drum motors, including three-phase asynchronous and synchronous DC models in the same diameter classes. The single-phase asynchronous construction of the TM80M and TM113M is significant for buyers who only have single-phase AC available. If three-phase power is standard at the installation site, a three-phase asynchronous option may be worth evaluating; conversely, if exact speed regulation is the priority, a DC synchronous model may be relevant. This article focuses on the TM80M and TM113M because they answer the common single-phase packaging line question directly.

Comparison: TM80M vs TM113M by Selection Criteria

Packaging conveyor builders can use this table as a shortlist filter before requesting a motor quote. If the frame already exists with an 80 mm roller pocket and a width near 260 mm, the TM113M cannot physically replace it without increasing the frame width. Conversely, if the production line will routinely operate near 630 N–770 N pull, sizing down to the TM80M leaves insufficient headroom.

Quality and Safety Context for These Units

SEAPARKS manufactures light duty drum motors under an ISO 9001:2015 quality management system, with a certification scope covering the manufacture of rotating drums and idler rollers (certification number QAIC/CN/60456, issued by AMTIVO). The company also holds CE, UL, and RoHS certifications relevant to specific export markets. Buyers of the TM80M and TM113M should request the valid certificates applicable to their destination market at the time of order, since compliance scopes differ between the EU, North America, and other regions.

For context, the company describes its operation as a manufacturer of motorized conveyor drums, with an annual output capacity of 380,000 units and a team of around 360 employees, supported by 40 R&D engineers. This scale indicates a production base able to sustain repeat orders for packaging conveyor OEMs and integrators.

Summary: Which Drum Motor Fits a Packaging Conveyor?

Choose the TM80M when the conveyor can live within 630 N maximum belt pull, needs the narrowest possible drum width (260 mm), and runs at belt speeds up to 0.85 m/s. Its compact Ø80 mm roller dimension is an advantage on space-constrained packaging equipment.

Choose the TM113M when the required belt pull exceeds 630 N or reaches toward 770 N, the belt speed must go beyond 0.85 m/s, or the line uses belts requiring a roller width above 260 mm. The larger Ø113 mm drum and the higher 0.12–0.18 kW power band provide reserve for heavier or more frequent packages.

Both units share polymer gearing, single-phase asynchronous motor technology, IP66/IP67/IP69 protection, and the option of carbon steel or 304 stainless steel housings, so the deciding factors are load, speed, and physical width—not protection or construction.

FAQ

Get the Full Light Duty Drum Motor Specification

This comparison covers the main dimensional and performance differences between the TM80M and TM113M. When an order is finalized, the exact duty point should be validated against the project's effective belt pull, starting torque, and speed-control requirements. Download the SEAPARKS product and corporation catalog for the complete light duty drum motor range, or contact the SEAPARKS engineering team with your conveyor parameters for a model recommendation.

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