2017年6月15日星期四

Panama Railway Construction, Chinese Laborer Contribution

13-th June is a date for memory, president Panama Juan Carlos Varela announced diplomatic relations with PRC. Meanwhile he mentioned the first railway in Panama was built by Chinese laborers. And this is the infrastructure construction of Panama Canal
Panama canal connects Pacific ocean and Atlantic ocean. At the beginning of the 19-th century, with development of transportation, railway construction became an ideal solution for connecting the two oceans. In 1846, USA defeated France and UK, and got right to build Panama railway, whose total length is 76.6km.
In 1850, project began, however because of local harsh natural environment, thousands of labors died of infectious diseases. Labor shortage became the biggest problem in railway construction.

Government recruited hard working Chinese people in Guangdong and Fujian provinces. They worked without complaint, worked longer time, without moments of smoking or chatting, started work immediately after having lunch. Hard work was approved by employer. However...
This irritated labors from Ireland, according to labor contract, Chinese labors deserved salary of 25 dollars, deducts meals cost, transportation cost from China to Panama and other daily costs, they received only 4-5 dollars a month.

Some labors suffered from depression because of different traditions and homesick, as a result, over 100 Chinese commited suicide.

Under each railway sleeper of 76km length in total, buried one Chinese labor...

2017年6月14日星期三

Inspection Of CNC Drilling Machine For Angle

Nowadays, in steel tower design, big size and high strength angle is more popular and widely applied. According to GB2694-2010, when steel angle thickness over 8-20mm, angle drilling technology is adopted.

Jinan Supertime Technology Co.,Ltd introduced
in 2007 JX2532 CNC drilling marking machine for angle
in 2009 designed high speed drilling machine for angle
in 2012 designed high speed drilling machine with ATC for angle
Angle drilling machine advantages?
Delicate and reasonable structure; Ensures angle processing safety and reliability; Complete electrical device, hydraulic and pneumatic systems etc;

Dispersed spares are marked obviously for joint and installation convenience; Non-existence of abnormal vibration or impulsive sound during machine running;

Welded and forged metal parts, for example marking unit, worktable, base, cylinder, drill heads etc, should pass eliminate internal stress treatment;

CNC system should meet angle processing demands, with programming and self diagnostic and alarm functions; High positioning and re-positioning precision.

More info:
Jinan Supertime Technology Co.,Ltd 
CNC machine design & manufacture specialist 

2017年6月13日星期二

Trust From Our old Client-- CNC Angle Punching Machine

True blue will never strain...

The second time domestic company in steel tower industry ordered Supertime CNC angle punching marking machine. How we build the trust with clients?

1.GOOD STATE OF MIND, STANDARD CONDUCT AND ETHICS:
We are always be responsible and honest to clients, we explain advantages of each machine, and meanwhile, we never conceal the disadvantages for getting orders. Supertime CNC angle line stand test of time during 30 years development.

2.ALL-ROUND COMMUNICATION:
Communication with non technical persons, we illustrate with pictures, videos, documents, and on-site explanation. Nowadays, online communication is more popular, we always give feedback timely for posed questions.
3.PROFESSIONAL TEAM:
What is CNC angle punching machine carriage encoder?
--Form a closed loop control for better angle feeding positioning.

What is vertical pressing device?
--More stable press, improves processing accuracy, prolongs machine service time.

4.QUALITY INSPECTION:
Continuous testing 24h before delivery. Machine passes very strict quality control. CE and ISO certificates. We serve users only with best quality, like GREE Electric.

5.MAINTENANCE AND SERVICES:
Usual online sellers don’t provide with after-sale services for getting rid of troubles. However, machine regular maintenance is vital for machine stable and normal work. SUPERTIME professional service team will guide you maintenance methods and give you timely services.


More info:
Jinan Supertime Technology Co.,Ltd 
CNC machine design & manufacture specialist 

2017年6月9日星期五

Advantages of CNC Band Saw For Section Steel Beam Cutting

CNC rotation angle band saw mainly used for cutting H beam, box girder, section steel, round steel etc, with advantages of narrow saw blade, reduces material waste. High-power cutting and real time display of automatic processing data.

What advantages compared with traditional band saw?
1. High quality and performance:
Machine integrates high speed cutting, high performance, easy operation, real time display.

2. More reliable and rigid:
Saw frame keeps excellent rigidity and durability in high-load cutting condition, guided by guide rail, well distributed stress.

Rotation angle 0-45°realized by movable machine while fixed workpiece.

Feeding adopts hydraulic servo proportional valve and encoder, automatic speed control.

Hydraulic tension of saw blade, adjust pressure according to beam size.

Saw blade rupture detection device, automatically stops when breakdown occurs.


3. Delicate design, new experience:
Rotary worktable, magnetic stripe detects the cutting angle.

Avoid saw blade clamping: reciprocating cutting function. Cutting beam with web width over 500mm, saw blade lifts and lowers several times, in order to remove chips in saw blade, in this way, avoids saw blade clamping.
More info:
Jinan Supertime Technology Co.,Ltd 
CNC machine design & manufacture specialist 

2017年6月8日星期四

3 or 9 spindles CNC beam drilling machine

SUPERTIME serves over 300 companies worldwide. CNC beam drilling machines are available with 3 or 9 spindles, makes our machines competitive on markets. Nowadays, more users prefer 9 drilling heads, for its good price and high efficiency.

Machine has multiple CNC axis makes drilling efficient on H or I, and U beam, box girder etc, best suitable machine in construction, steel structure, or building.

Each spindle is independently programmed with X, Y and Z axis, can work simultaneously. Automatic speed control and positioning system

More info:
Jinan Supertime Technology Co.,Ltd 
CNC machine design & manufacture specialist 

2017年6月7日星期三

CNC Drilling Machine Maintenance Methods

CNC is shortened from Numerical control, its electrical control system is different from traditional relay electrical control. In CNC system, servo motor, PC, CNC control, PLC electrical components are widely applied, regular maintenance is vital for machine operation. 
Take example of SUPERTIME CJZ series CNC plate drilling machine. 
1. The power supply should be kept steady, generally ±10% is allowed. Can equip with voltage stabilizing device if necessary, for reducing the impact of voltage fluctuations on electronic components.
2. Safety protection, earthing and anti-interference, shielding earthing.
3. During processing, oil mist, dust, or even metal powder will penetrate into circuit board or electrical components, and generates static electricity, and causes insulation resistance decline between components, even lead to damage to components and circuit boards. So regular clean by using dry compressed air is vital.
4. For some control systems with large amounts of heat, can equip air conditioner. If no, then open control cabinet for increasing radiation effect.
5. Keep regular energization even when machine doesn’t work, 1-2 times one week is better, and dry running about 1h, in this way machine heat can reduce humidity.
Machine mechanical parts maintenance:
1. Clean chips and other foreign matter timely on ball screw, linear guide rail and other key components.
2. Check regularly oil quality and quantity. Hydraulic system should be kept 4-6Mpa.
3. Ensure lubrication system work normally, pinion and rack oil quantity.
4. Coolant quantity should meet work requirement, choose cutting fluid with good rust resistance.
5. Spindle feeding and rotation mechanism condition, wear clearance should be adjusted after long time work.
6. Clean chips and foreign matter in mechanical parts timely. 

More info:
Jinan Supertime Technology Co.,Ltd 
CNC machine design & manufacture specialist