DEMAREC Scrap Shears

Robust Innovation = Low total cost of ownership.

Meet the most important demands of the clients. The DEMAREC DRS Scrap Shear with its 360° rotation was engineered to deliver a scrap shear with a maximum force, highest speed and optimal weight to performance ratio in daily use in scrap yards and demolition sites. This robust tool can be used for a wide variety of jobs including demolition, scrap processing and tire recycling.
With three different mounting options, the DRS line is available in six different sizes, suitable for excavators from 14t to 100t operating weight.

 

          

 

DEMAREC DRS-45-A PERREAULT – France

DEMAREC Scrap Shear | DRS-45 cutting beams

DRS-60

DRS-45

DRS-30

DRS-45 #3

DRS-90

DRS-45 #2

 

 

Features:

  • Extremely high cutting force and optimal performance to weight ratio.
  • Powerful cylinder with speed valve – fully protected in the shear body.
  • More cutting force due to offset APEX of shear blades.
  • Body made of wear resistant, fine grained steel.
  • Heavy duty bearings in the pivot points for a long lifetime.
  • Unique, extremly robust Shear Arm Guiding System (SGS).
  • Robust mouth design with large opening for scrap and concrete.
  • Exchangeable and re-weldable piercing tip.
  • All blades are 4 or 8 times indexable.
  • Unique Blade Locking System (BLS) in upper and lower jaw.
  • Heavy duty 360° rotation with oversized slewing ring. (shear also available without rotation).
  • Filter in rotation circuit.
  • Optional: Different airbrush designs.

Technical data / Scrap Shears with 360° Rotation or rigid mount (without rotation)

Technical data / Scrap Shears with 360° Rotation or rigid mount (without rotation)
Type             Weight*      Length A*    Jaw opening B  Jaw depth C Primary cutter Length Cutting force** Operating weight [boom]*** Operating weight [dipper]***
DRS-25-A 2150 kg 2740 mm 500 mm 460 mm 180/ 280 mm 4975 kN 14 - 20 t 20 - 30 t
DRS-30-A 3100 kg 2965 mm  570 mm 490 mm 200/ 300 mm 6700 kN 18 - 25 t 25 - 35 t
DRS-45-A 4100 kg 3290 mm 625 mm 540 mm 225/ 330 mm 8210 kN 25 - 35 t 32 - 50 t
DRS-60-A 5550 kg 3660 mm 720 mm 620 mm 250/ 380 mm 10990 kN 30 - 50 t 45 - 65 t
DRS-60-B 5640 kg 4100 mm 720 mm 620 mm 250/ 380 mm 10990 kN 30 - 50 t -
DRS-60-C 4850 kg 3285 mm 720 mm 620 mm 250/ 380 mm 10990 kN 25 - 35 t -
DRS-75-A 6950 kg 4075 mm 835 mm 720 mm 300/ 440 mm 14270 kN 35 - 65 t 60 - 80 t
DRS-75-B 7050 kg 4550 mm 835 mm 720 mm 300/ 440 mm 14270 kN 35 - 65 t -
DRS-75-C 6200 kg 3650 mm 835 mm 720 mm 300/ 440 mm 14270 kN 30 - 50 t -
DRS-90-A 8500 kg 4800 mm 950 mm 815 mm 350/ 480 mm 19450 kN 45 - 80 t 75 - 100 t
DRS-90-B 8600 kg 5000 mm 950 mm 815 mm 350/ 480 mm 19450 kN 45 - 80 t -
DRS-90-C 7700 kg 4100 mm 950 mm 815 mm 350/ 480 mm 19450 kN 40 - 70 t -

*Excl. adaptor / **Cutting force calculated at a distance of 120 mm (DRS-25) / of 140 mm (DRS-30) / of 160 mm (DRS-45 to DRS-90) from centre of pin/ ***Operating weights shown are indicative
Subject to change without notice.

 

 

Hydraulics

Type  Opening/Closing Pmax Flow Rotation Pmax Flow Back pressure max. Working cycle Opening/ Closing
DRS-25-A 380 bar 150 - 250 l/min 140 bar 40 - 60 l/min - 2,4 / 2,3 sec
DRS-30-A 380 bar 200 - 300 l/min 140 bar 40 - 60 l/min - 2,9 / 3,0 sec
DRS-45-A 380 bar 300 - 400 l/min 140 bar 40 - 60 l/min - 3,7 / 2,2 sec
DRS-60-A 380 bar 400 - 600 l/min 200 bar 60 l/min 10 bar (drain line required) 3,0 / 2,2 sec
DRS-60-B 380 bar 400 - 600 l/min 200 bar 60 l/min 10 bar (drain line required) 3,0 / 2,2 sec
DRS-60-C 380 bar 400 - 600 l/min - - - 3,0 / 2,2 sec
DRS-75-A 380 bar 600 - 800 l/min 200 bar 60 l/min 10 bar (drain line required) 3,0 / 2,5 sec
DRS-75-B 380 bar 600 - 800 l/min 200 bar 60 l/min 10 bar (drain line required) 3,0 / 2,5 sec
DRS-75-C 380 bar 600 - 800 l/min - - - 3,0 / 2,5 sec
DRS-90-A 380 bar 700 - 1000 l/min 200 bar 60 l/min 10 bar (drain line required) 3,5 / 2,5 sec
DRS-90-B 380 bar 700 - 1000 l/min 200 bar 60 l/min 10 bar (drain line required) 3,5 / 2,5 sec
DRS-90-C 380 bar 700 - 1000 l/min - - - 3,5 / 2,5 sec

 

Cutting Performance

Steel Profile H-beams I-beams L-angles Solid round Solid square Piercing place pipe x wall
DRS-25

HEA 280

HEB 200

HEM 100

IPE 450

INP 320

200x200x15 75 mm 65 mm 15 mm 254 x 9
DRS-30

HEA 340

HEB 260

HEM 140

IPE 500

INP 400

250x250x20 90 mm 80 mm 20 mm 304 x 10
DRS-45

HEA 400

HEB 300

HEM 160

IPE 600

IPN 450

250x250x25 100 mm 90 mm 25 mm 406 x 10
DRS-60

HEA 500

HEB 360

HEM 180

IPE 700

IPN 500

300x300x25 115 mm 100 mm 25 mm 457 x 10
DRS-75

HEA 600

HEB 400

HEM 200

IPE 800

IPN 550

300x300x30 130 mm 120 mm 30 mm 559 x 10
DRS-90

HEA 700

HEB 450

HEM 220

IPE 900

IPN 600

350x350x30 150 mm 135 mm 35 mm 609 x 10

 

This chart gives an indication of the cutting capacity of the DRS Shears based on the assumption of a working pressure of 350 bar, normal steel profiles with a tensile strength of maximum 370 N/mm², and a good condition of the blades. The DRS Shear cuts bigger size profiles in two times as long the web thicknes does not exceed the maximum thickness of the piercing plate.