PR3P Self Feed Drilling Unit


Model: PR3P
No-load speed: 700-7500R/M
Drilling diameter: Aluminum: 3.3-12mm / Cast iron: 1.5-9.5mm / Steel: 1.5-8.5mm
Spindle stroke: 80mm/120mm
Cutting feed stroke: 30mm, 60mm, 80mm, 100mm
Motor power: 0.55kw
Feed driving: 1200N
Air consumption: 3-6L

PURROS® Self Feeding Drilling Unit Size


PURROS® Self Feeding Drilling Unit Characteristics

Model Spindle speed Drilling capacity Stroke Motor Thrust Weight
50 Hz 60 Hz Aluminum Cast iron Steel Total
min-1 mm mm mm kw N kg
PR3P-3075 7500 9000 3.3 1.5 1.5 80 0-60 0.55/0.75 1200 21
PR3P-3060 6000 7200 4.2 1.6 1.6
PR3P-6049 4900 5900 5.5 2.2 2.2
PR3P-6034 3400 4100 6.5 3.2 3.2
PR3P-1326 2600 3200 8 3.8 3.8
PR3P-1318 1800 2200 9 5.5 4.5
PR3P-1314 1400 1700 10 6.5 6
PR3P-1310 1000 1200 10.5 8.5 7.5
PR3P-1307 700 800 12 9.5 8.5

1. The selection of models should be based on the shape of the work, material, cutting characteristics, diameter and material of tools, rotation speed (cutting speed), etc.
2. The drilling capacity displayed in the above table is based on values representing a drilling depth of two times the diameter of the drill.
3. The standard attachment for the hydro speed regulator is RB-2430. Please specify an optional Hydro Speed Regulator if required. (Optional Hydro Speed Regulator Models: RB-2460, R-2440A, R-2460A)
4. Maximum weight of the attachment that can be mounted when machining downwards is 12 kg.
5. Make sure to use a collet chuck or spindle nose when the hardness of carbide drills and tool shanks is higher than that of general HSS (high-speed steel) drills.


1. High-precision
Core technology of Electro Pneumatic Drilling Units is played very well, which completely strengthened the versatility of the product and thus made the high precision of Drilling Units reflected extremely.

2. High rigidity
Axial rail structure is used, which greatly improved the overall rigidity and fully guaranteed the stability of the hole machining.

3. High performance
A unique dual sealing structure and round body that is easy and convenient to be installed are available at the end of spindle, which can meet variety of holes machining requirement.

Products can be equipped with Self Feeding Drilling Unit

1. Hydraulic Damper (PURROS® Hydro Speed Regulator)
Speed can be adjusted arbitrarily from lower to higher by a hydraulic feeding speed control device.

2. Multi-axis machining head (PURROS® Multiple Spindle Heads)
Multi-axis machining head can be amounted, which can achieve high efficiency drilling and meet different requirements of machining axes and axis spacing. Extensive multi-axis machining head sizes are available in PURROS®.

3. Fixed bracket
Such desktop support is suitable for any machining directions, which can fix the Drilling Units angle freely.

PURROS® Special Purpose Machine

Multiple Drilling or Tapping Machine

Multi Station Drilling or Tapping Machine

Rotary Index Drives Special Purpose Machine

Sliding Table Special Purpose Machine

Rotary Table Special Purpose Machine


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