GUANGZHOU HAOZHI INDUSTRIAL CO., LTD.

Consultation

Product Series:Belt Driven and Direct Driven Spindle

Product Number:DGZZ-14015

DGZZ-14015, which is the direct-driven spindle, the max speed is 15000rpm, and designed for BT40 tool holder, Mainly applied to CNC milling machine, machining center, drilling and tapping center.


1.High-precision: It has the vibration of taper hole of shaft core ≤0.002mm/s, the run-out at 300mm of standard rod ≤0.008, and the dynamic balance level of G0.4; it has the characteristic of incomparable high precision.
2.High configuration: Bearings of international famous brands and standard parts of high specification are adopted to ensure the performance of the spindle to be stable and reliable for long. The imported synchronous belt gear with circular-arc teeth has high transmission torque and is hard to slip.
3.Low noise: Under the same operating conditions, the noise value at the highest speed is about 5db lower than that of gears with tooth forms of national standard. It can provide better machining performance and health working environment for end users.
4.Diversity of tool holder: The BT, BBT, HSK and other connector forms for tool holder are adopted to meet the different customer demands in application.
5.High stability: The design of unique and stable unloading and tensioning mechanism with ultra-long service life (≥2 million times) is adopted to ensure the long service life of quick-wear parts.
6.Unique design: The unique design of air curtain seal + labyrinth seal revolutionarily improves the sealing effect of the spindle and effectively prevent the invasion of cutting fluid and foreign matters, so that the spindle can ensure the normal use even under relatively severe working conditions, reduce the failure of drilling crew caused by sealing problem, and improve the efficiency for customers.
7.The front end of the spindle is provided with the cooling and annular spray system for tool. For annular spray, the angle of the cooling nozzle can be adjusted freely according to the different cooling demands for machined parts or tool. Annular spray is arranged on the end face of the spindle nose and more closer to the position to be cooled, and the effects of cooling and chip removal are better.


1Maximum Speed(rpm)
15000
2Model of Tool-holder
BT40
3Bearing Model
4×7012
4Form of Lubrication
Grease
5Pretightening method
Positioning pretensioning
6

Allowable temperature rise

(℃)
≤18
7Claw form
 Four petal claw
8Clamping force(N)
6000-7000
9Dynamic Balance Grade
G1
10Assembly direction
Vertical assembly
11Assembly diameter(mm)
Φ140 -0.01/-0.025
12
The Weight(kg)
≈56
13Shaft core runout(μm)
≤2.0
14Spindle BT30 cone aperture to beat(μm)
≤2.0
15Spindle coupling radial runout(μm)
≤8.0
16Scalpel(mm)
0.4-0.6
17BT30 standard bar 25mm radial runout(μm)
≤3.0
18BT30 standard bar 300mm radial runout (μm)
≤8.0
19Axial rigidity(N/μm)
≥85
20Radial rigidity(N/μm)
≥100



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