ENERPAT Two Ram Cardboard Bundler Machine | Hydraulic Cardboard Baler

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ENERPAT Two Ram Cardboard Bundler Machine
Also known as a paper baler machine, hydraulic cardboard baler, Recycling Center Baler, waste baler machine, or two ram baler for sale.

If you handle large volumes of cardboard—corrugated boxes, mixed paper, carton offcuts, shredded paper, or paperboard—you’ve seen the problem: material builds up quickly, takes over valuable floor space, and is difficult to stack efficiently. Low-density loads mean more truck runs, higher transport costs, and unnecessary strain on your operation.

The ENERPAT Twin Ram Cardboard Bundler Machine solves this by compressing loose material into dense, square bales and strapping them automatically in one step. No separate tying station, no extra handling. The dual-ram design controls spring-back, keeping bales tight, stable, and easy to stack. Built for continuous use in recycling centers and paper mills, it delivers consistent performance without unnecessary complexity.

Key specifications

Main ram force: 163 US tons (148 metric tons)
Cycle time: ≤15 seconds (empty)
Bale size: 62 × 47 × 31 inches
Motor power: 73.8 hp (55 kW)
Hydraulic pressure: 4061 psi (28 MPa)

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Recycling Center Baler

waste baler machine

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Video

Challenges & Solutions

Product Details

Technical Specifications

Design Concept

Watch It Work: Real Output, Automatic Bundling

Key Challenges & ENERPAT Solutions

Recycling centers deal with large volumes of cardboard every day—corrugated boxes, mixed paper, cartons. It looks like a lot, but loose material takes up space, ships inefficiently, and often causes trouble on the line. Here’s how the ENERPAT two ram cardboard bundler machine tackles the most common issues:

Bulky material, low density, high transport cost
Loose cardboard—especially OCC, shredded paper, and thin board—fills trucks fast but delivers low payload. More trips, higher fuel costs, lower margins.
ENERPAT solution:
This hydraulic cardboard baler uses a dual-ram system to compress material into dense, high-weight bales. As a Recycling Center Baler, it helps you load more per truck, reduce transport costs, and free up yard space.
Loose bales and spring-back reduce value
With standard balers, bales expand after tying. They lose shape, stack poorly, and may be downgraded or rejected by paper mills.
ENERPAT solution:
The system combines synchronized twin-ram compression with automatic tying in one continuous cycle. The material is first compacted under high pressure, then immediately secured by the auto-strapping system before it can expand. This integrated process produces dense, square bales with minimal spring-back. As a paper baler machine, it ensures every bale comes out tight, stable, and ready for transport or resale.
Continuous operation wears machines down
High-volume sites run all day. Weak structures and hydraulic issues lead to leaks, deformation, and costly downtime.
ENERPAT solution:
Reinforced construction and an industrial-grade hydraulic system make this two ram baler for sale suitable for continuous duty. Built to keep running without constant repair interruptions.
Mixed material causes blockages
Long strips, straps, and loose paper can clog the feed opening or compress unevenly, slowing production.
ENERPAT solution:
A guided compression chamber and smooth dual-ram motion keep material flowing. This waste baler machine reduces jams and keeps throughput steady.
Manual tying is slow and unsafe
Some balers still rely on operators to tie wires by hand—time-consuming and risky near the press area.
ENERPAT solution:
Integrated automatic tying handles wire feeding, knotting, and cutting. Bales are secured and discharged without manual intervention, improving both safety and efficiency.
Spare parts delays stop production
When key components fail, waiting weeks for parts can bring operations to a halt.
ENERPAT solution:
With a global spare parts network and stocked consumables, this hydraulic cardboard baler minimizes downtime and gets you back up and running faster.

Material Testing

Built for cardboard. Made for baling. Ready for high-volume work.

This two ram cardboard bundler machine uses strong hydraulic pressure to compact loose cardboard—corrugated boxes, carton offcuts, shredded paper, and mixed board—into dense, uniform bales.
Fewer truckloads, higher payload per trip, and a recycling line that runs steady without constant attention.

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Product Details

Reinforced frame & wear protection

Built with heavy-gauge welded steel, not light-duty framing. High-wear zones like the feed opening and compression chamber use replaceable wear liners. Cardboard may seem soft, but paper dust and constant friction still wear machines down over time. With liners, maintenance is simpler and service life is longer.
Dual-cylinder high-pressure compression

Twin hydraulic cylinders press from both sides with an assist ram for final compaction, turning loose cardboard into dense, square bales. The pressing force handles corrugated board, mixed paper, and shredded material with ease, producing tight bales with minimal spring-back and stable stacking.
Siemens PLC control system

Simple touchscreen operation with Siemens PLC. Once parameters are set, the machine runs automatically in continuous cycles. Different material types can be saved as presets, so operators don’t need to constantly adjust or supervise the line.
Efficient hydraulic system, fast without waste

Optimized hydraulic flow shortens idle cycles and keeps compression responsive. It delivers fast movement when needed and strong force under load, while keeping energy use lower than older systems. Suitable for long-hour operation in recycling centers.
Automatic tying & discharge system

This is where labor is cut. Once the bale is formed, the system automatically wires, knots, and cuts in one cycle—no manual tying required. Finished bales are pushed directly out to a pallet or conveyor, with left or right discharge options to match plant layout without rework.

Technical Specifications

Two Ram Cardboard Bundler Machine

Model	Two-Ram Baler
Hopper Size (in)	79 × 59
Bale Opening Size (in)	71 × 59
Bale Size (in)	62 × 47 × 31
Cycle Time	≤15 seconds (empty)
Hydraulic Pressure (psi)	4061
Motor Power (hp)	73.8
Dimensions (in)	295 × 192 × 128
Main Ram Force (US tons)	163
Pusher Ram Force (US tons)	97
Door Lock Force (US tons)	47

Design Concept & Product Story

Most users don’t start looking for a two ram cardboard bundler machine for technical reasons—they start because cardboard builds up faster than it can be handled. Yards get crowded, forklifts keep moving, but trucks are still underloaded because loose cardboard won’t stack properly.

ENERPAT developed this two ram cardboard baler from real recycling site conditions. Corrugated boxes, carton offcuts, shredded paper, and mixed board all bring the same issues: spring-back after compression and machines that struggle under long-hour, continuous running. This is where the hydraulic cardboard baler needed to change from “equipment” into a stable production tool.

Built as a complete working system, the paper baler machine combines dual-ram compression for stable bale formation, a reinforced frame for continuous duty, Siemens PLC for simple automation, and an efficient hydraulic system for fast, controlled cycling. As a Recycling Center Baler and two ram baler for sale, its purpose is straightforward: turn loose cardboard into dense, stackable bales that load better, ship fuller, and keep the line moving with fewer interruptions.

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Customer Sites

Ready to turn bulky cardboard waste into high-density bales?

Join recycling centers and paper mills that cut freight costs, boost recovered paper value, and run cleaner, more efficient operations. Get your ENERPAT two ram cardboard bundler quote — or request an on‑site engineering consultation.

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Why Choose Us

Global Installation & Support

We offer overseas setup guidance, commissioning, and operator training to get your cardboard baler running right. Spare parts and remote support keep your two ram cardboard bundler online with less downtime.
Twin‑Ram Compression System

Dual‑ram design delivers even pressure on mixed cardboard – corrugated, paperboard, shredded paper – forming dense bales with less spring‑back and a stable, stackable shape.
Certified Industrial Quality

Built to ISO and CE standards, with Siemens PLC, Schneider electrics, and durable seals. This hydraulic cardboard baler handles heavy daily work without constant babysitting.
Flexible Line Integration

Easily connects to shredders, conveyors, and sorting gear. It fits right into your Recycling Center Baler line or waste baler machine setup, keeping material moving.

FAQ

Q1: What bale density is required for paper mills to accept cardboard?

Bale density is directly linked to transport cost per ton and mill acceptance. For dry waste paper (moisture ≤12–15%), the typical requirement is around 350–400 kg/m³. Heavily compressed material or export-grade bales often need higher pressure levels above 60 tons. This two ram cardboard bundler machine can reach about 450–500 kg/m³, producing tight, square bales that meet common EN 643 waste paper standards, where 450 kg/m³ is a typical minimum for several grades. Higher density means lower freight cost and more stable acceptance at the mill.
Q2: Why do cardboard bales spring back after compression?

Cardboard is elastic. With standard single-ram balers, bales often expand after tying, leading to loose stacking and unstable loads. A paper baler machine with dual-ram compression applies even pressure from both sides, and the controlled compression stroke helps reduce rebound. Combined with proper forming and cutting design, the bale holds its shape and stays tight during storage and transport.
Q3: What materials can a hydraulic cardboard baler handle?

This hydraulic cardboard baler handles a wide range of recyclable paper waste: corrugated boxes, cartons, paperboard offcuts, shredded paper, old newspapers, paper cores, and mixed office paper. As long as the material is not heavily contaminated (oil, wax coating, or severe moisture), it can be processed smoothly. The dual-ram system provides stable pressure without being sensitive to feed variation.
Q4: How automated is the system? How many operators are needed?

Once parameters are set, the system runs continuously. With Siemens PLC control and touchscreen operation, feeding, compression, tying, and bale discharge are fully automatic. No manual tying or constant supervision is required. In most setups, one operator is enough, and with a conveyor feeding system, one person can manage multiple machines.
Q5: Is it reliable for long-hour operation? What about maintenance?

A waste baler machine in recycling centers often runs all day, so durability matters. The frame is built with heavy welded steel, and high-wear areas like the feed opening and compression chamber use replaceable wear liners. Instead of repairing the structure, you simply replace liners when needed. Routine maintenance mainly involves hydraulic oil changes and seal checks, keeping downtime low.
Q6: Can it integrate into an existing recycling line?

Yes. It is designed as a Recycling Center Baler for line integration. It can connect upstream with conveyors, shredders, or sorting systems, and discharge bales directly onto pallets or conveyor lines. Left or right discharge options allow flexible layout without major plant modification.
Q7: How reliable is the automatic tying system? What wire is used?

The system completes wire feeding, knotting, and cutting automatically in one cycle. No manual tying is required. Depending on application, steel wire is commonly used for higher strength and lower cost, while PET strapping is also available for cleaner handling. The tying system is designed for stable, consistent bale security during transport.
Q8: What regulations apply to cardboard recycling operations?

Cardboard recycling facilities must comply with national waste management and environmental regulations, including proper facility design, dust control, and clean processing requirements. In practice, this means maintaining controlled processing areas and ensuring high material purity. For export or cross-border trade, additional standards such as EN 643 grading and contamination limits apply, especially regarding plastics and foreign materials in bales.
Q9: What is the payback period for a two ram baler for sale?

Payback depends on throughput and transport savings. By increasing bale density, a truck can carry significantly more material per load, reducing the number of trips. Combined with reduced labor for manual handling and tying, many recycling centers recover equipment cost within about one year under typical operating conditions.
Q10: Can it be integrated with shredders and sorting lines?

Yes. As a Recycling Center Baler, it is designed for full line integration. It can connect upstream with shredders, sorting systems, and air separation units, and run as part of a continuous processing line where material flows directly from input to finished bale without manual handling.