Air return regulators serve the same function as the spring return type in that they control the forward speed of the drill. However, the air type requires an air signal at the end of each drilling cycle to return the regulator to its original position. Also, these regulators are required for peck feed drilling as they are capable of holding the drilling depth at the end of each peck feed motion.Air return regulators serve the same function as the spring return type in that they control the forward speed of the drill. However, the air type requires an air signal at the end of each drilling cycle to return the regulator to its original position. Also, these regulators are required for peck feed drilling as they are capable of holding the drilling depth at the end of each peck feed motion.
Even if remove the load of piston rod of R-A type hydraulic damper, the piston rod still can stay at original position, only provide compressed air piston rod can return, a multiple setp feed control can be carried out.Even if remove the load of piston rod of R-A type hydraulic damper, the piston rod still can stay at original position, only provide compressed air piston rod can return, a multiple setp feed control can be carried out.
SPECIFICATIONS
Model | Max stroke mm | Load range N | Adjusting range of speed of all kinds of driving forces. Mm/sec | Impact energy permitted J | Weight(Basic body) Kg |
R-2440A | 40 | 120-1,500 | F=200N 0.3-5 F=1,000N 0.5-25 F=1,500N 0.5-50 | 2.3 | 1.12 |
R-2460A | 60 | 1.13 | |||
R-2480A | 80 | 1.47 | |||
R-24100A | 100 | 1.48 | |||
R-24150A | 150 | 2.04 | |||
R-3180A | 80 | 500-3,000 | F=500N 0.3-12 F=2,300N 0.5-25 F=3,.000N 0.6-50 | 3.5 | 2.2 |
R-31130A | 130 | 2.8 | |||
R-31180A | 180 | 3.3 |
Purros Machinery also have other models (Maximum Stroke:40-180mm, Load Range:200-3000n, Withstand Impact Energy:2.3-3.5j)
Size mark | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P |
R-2440A | 40 | 28 | 241 | 20 | 32 | 43 | 24 | 127 | 25 | 9 | 38 | 52 | 34 | 17 | 7 | 67 |
R-2460A | 60 | 261 | ||||||||||||||
R-2480A | 80 | 333 | 180 | |||||||||||||
R-24100A | 100 | 353 | ||||||||||||||
R-24150A | 150 | 373 | ||||||||||||||
R-3180A | 80 | 36 | 361 | 26 | 42 | 31 | 31 | 180 | 90 | 12 | 44 | 60 | 36 | 21 | 10 | 74 |
R-31130A | 130 | 461 | 235 | 33 | ||||||||||||
R-31180A | 180 | 561 | 255 | 63 |
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