Used Beside-the-Press Granulators for Sale
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SOLDSRS SR-1013 Bi-Cutter Compact Screenless
USA
SOLDSRS SR-1013 Bi-Cutter Compact Screenless
USA
SOLDSRS SR-1013 Bi-Cutter Compact Screenless
USA
SOLDSRS SR-1013 Bi-Cutter Compact Screenless
USA
SOLDSRS SR-1013 Bi-Cutter Compact Screenless
USA
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About Used Beside-the-Press Granulators
A beside-the-press granulator in this range is a compact screenless bi-cutter that sits under the press and cuts a sprue or a small runner. It is not a screened rotor with a large motor in the aisle, and it is not a central granulator. SRS builds these as Bi-Cutters. An S-shaped first stage grabs the runner and breaks it down. A lower rotary cutter then shears the pieces into regrind and drops them into a bin. There is no perforated screen. Particle size follows the blades, not a hole you can swap. A screened press-side cutter uses rotor knives, a bed knife and a screen. That is a different machine, even when it also stands near a clamp.
Low speed is the point. The SR68 turns the first stage at about 15 rpm and the lower cutter at about 45 rpm, on about 0.5 hp, with a published rate near 10 lb per hour. The SR1013 is about 1 hp and near 30 lb per hour, at about 18 and 60 rpm. The SR1517 is about 2 hp and near 50 lb per hour. That is runner duty, not a shift of housings. A thick purge or a bulky part is the wrong feed. The opening has to accept what the picker actually drops. If the sprue is longer than the throat, the drive stalls or someone pre-cuts, which defeats the cutter. Swing-up doors open the chamber for a blade change. The teeth are the wear part, and there is no screen to change instead. Noise stays low enough to live under the clamp. Soft resins such as TPE can go through the same cut. A blower under the bin is the discharge these frames prefer for soft material, because a packed bin stalls a small motor. Call the same unit a screenless granulator, a bi-cutter granulator or a compact sprue cutter. It is still a beside-the-press granulator only in this screenless SRS form.
The cutter sits in the drop of the sprue picker. A screened chamber, a heavier rotor or a machine shared by several presses is the other cutter, the one with a screen cradle and a sound hood. A recycling shredder belongs in a different building. Do not ask this compact frame to eat drums of purge. Keep a path to the chamber. Dull teeth chew instead of cut, and the motor works harder for a worse regrind.
These frames leave under the clamp when the cell is sold. On a used beside-the-press granulator, look at the teeth, the throat and the drive before you look at the paint. Rounded or packed teeth stall the sprue. Measure the opening against your longest runner. Turn the cutters and listen. Checking knife gap and screen holes is the inspection for a screened rotor, not for this frame.
How to Choose a Used Beside-the-Press Granulator
How to Size a Beside-the-Press Granulator
Size this machine for a sprue, not for a shift of housings. The screenless compact cutter has to swallow the runner the picker drops, and the cutters have to clear that volume before the next shot. A sprue longer than the opening will hang out and stall the drive. Do not use press tonnage as the size. Weigh the runner. If you are grinding rejects, bulky parts or several presses into one bin, you want a screened rotor or a central machine. Motor power here is modest. The SR68 is about 0.5 hp, the SR1013 about 1 hp and the SR1517 about 2 hp. The limit is throat geometry and cutter condition, not a 30-horse rotor.
Screenless Cutter or a Screened Granulator
A screenless beside-the-press granulator shears on cutters and has no perforated screen to change. It suits a thin sprue, a low dust target and a spot under the clamp. A screened granulator uses rotor knives, a bed knife and a hole that sets particle size, and it can stand beside a press or in the aisle. Choose the screenless unit when the scrap is a runner and you want a small, quieter frame. Choose the screened machine when parts are thick, the rate is higher or several tools share one cutter. SRS bi-cutters are the frames that repeat. This screenless granulator is a bi-cutter granulator, a compact sprue cutter.
Beside-the-Press Granulator Specs to Compare
| Spec | Why it matters |
|---|---|
| Cutter style | Teeth do the sizing, so there is no screen hole to pick and cutter condition sets the particle size. |
| Throat opening | Has to accept the sprue length the picker drops, or the cutter stalls on every single cycle. |
| Motor | Modest power fits a runner, and it will not carry thick purges the way a central rotor will. |
| Speed | Slow cutters keep a thin sprue from melting onto the teeth and making extra dust. |
| Discharge | A small bin or a takeoff has to be emptied, or the cutter packs and the motor stalls. |
| Mount | The frame has to fit the picker drop and still leave a clear path to change cutters. |
Cutter style
Teeth do the sizing, so there is no screen hole to pick and cutter condition sets the particle size.
Throat opening
Has to accept the sprue length the picker drops, or the cutter stalls on every single cycle.
Motor
Modest power fits a runner, and it will not carry thick purges the way a central rotor will.
Speed
Slow cutters keep a thin sprue from melting onto the teeth and making extra dust.
Discharge
A small bin or a takeoff has to be emptied, or the cutter packs and the motor stalls.
Mount
The frame has to fit the picker drop and still leave a clear path to change cutters.
What to Inspect on a Used Beside-the-Press Granulator
Inspect cutter teeth
Rounded, chipped or packed teeth on a beside-the-press granulator stall the sprue and make dust instead of chips.
Measure the throat
Compare the opening with your longest runner, because a sprue that cannot enter never gets cut.
Turn the cutters
A drive that growls or a cutter that hits should be repaired before the unit goes back under the press.
Look for melted plastic
A film of resin on the teeth means the sprue was too hot or the cutter too slow to clear.
Check the interlock
A lid switch that is defeated is a hand hazard on a cutter that sits where people reach.
Confirm the drop path
The picker has to land the runner in the throat, not beside it, or the cutter never sees the scrap.
Empty the bin path
A discharge that is already packed will stop the cutter on the first shift even with sharp teeth.
Related Equipment
- Beside-the-Press & Central Granulators
Screened press-side and central cutters
- Sprue Pickers
The arm that drops runners into this cutter
- Plastic Granulators
Heavy recycling cutters, not these compact frames
Beside-the-Press Granulators Brands We've Sold
Common Applications
Frequently Asked Questions
How do I size a beside-the-press granulator that is screenless?
Match the throat to the sprue the picker drops, and match the cutters to a thin runner rather than to a part. A beside-the-press granulator of this screenless type stalls when the sprue is longer than the opening or when the scrap is a thick purge. Weigh the runner if you want a rate check, but geometry fails first. Press tonnage is only a rough hint the maker prints beside a throat size. If you need a screen, a heavier rotor or a machine shared by several presses, you want a screened granulator. This compact bi-cutter will not grow one.
Screenless beside-the-press granulator or a screened granulator?
Screenless means cutters and no perforated screen. Screened means rotor knives, a bed knife and a hole size, including larger press-side machines and central machines. Pick screenless for a sprue under the clamp and a low dust target. Pick screened when the scrap is bulky or several presses share one cutter. Do not expect this compact frame to grow a screen. The machines that repeat in this range are SRS bi-cutters, not a general granulator catalog.
What should I inspect on a used beside-the-press granulator?
Look at the teeth, the throat and the drive. A beside-the-press granulator with rounded cutters or a packed tooth will not clear a sprue, and there is no screen to blame. Measure the opening against your runner. Turn the cutter and listen. Check the lid switch. Confirm the picker can hit the throat. A central-granulator checklist about knife gap and screen holes is the wrong list for this frame. Teeth and geometry are the inspection.
What does a bi-cutter beside-the-press granulator cut with?
Intermeshing cutters, not a rotor against a screen. The beside-the-press granulator shears the runner between teeth and drops the regrind. Particle size follows the tooth geometry and the condition of those teeth. There is no hole size to order. When the teeth round off, the cut turns into a chew and the motor works harder. That is the wear part to plan. A screened machine is the one with replaceable screens and a knife gap.
Why does a beside-the-press granulator stall on a thick sprue?
The throat is too small, the sprue is too heavy for a screenless cutter, or the teeth are dull and packed. A beside-the-press granulator built as a compact bi-cutter is for a thin runner. A purge chunk or a cold, long sprue that cannot enter will trip the drive every cycle. Do not keep resetting it. Either pre-cut, which means the cutter is the wrong size, or move the job to a screened granulator with a real chamber. Sharp teeth will not turn this frame into a central machine.
Do screenless bi-cutters include central granulators?
No. Central granulators and ordinary screened press-side machines are a different cutter: rotor, bed knife and a screen. A beside-the-press granulator in this range is the compact screenless bi-cutter. If the photo shows a rotor, a screen cradle and a sound hood the size of a cabinet, you are looking at the screened machine. Recycling granulators are for heavy scrap. The small cutter under the picker drop is the SRS frame.
