Machining Centres

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Machining Centres

44 used machines found
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MAP MPZ 630 5-Axis Machining Centre
Heiligenhaus
on request
anytime
Top lot
SHW UFZ 6 L Lateral Milling Machine
Waghäusel
0 Bids
196,000 €
21/09/2017 09:05
MITSUI SEIKI HU40A Horizontal Machining Centre
Heiligenhaus
on request
anytime
MITSUI SEIKI HU40A Horizontal Machining Centre
Magdeburg
on request
anytime
ELUMATEC SBZ 615/23/R/Z Cutting and Machining Center
Nonantola
0 Bids
85,000 €
07/09/2017 14:27
ELUMATEC SBZ 615/23/R/Z Cutting and Machining Center
Nonantola
0 Bids
85,000 €
07/09/2017 14:26
MORI SEIKI NH 6300 DCG Horizontal Machining Centre
Mallabia
1 Bid
73,500 €
closed
POS PosMill C 1050 Vertical Machining Centre
Büchlberg
on request
anytime
Top lot
MAZAK HC Nexus 6000 Horizontal Machining Centre
Weisweil
0 Bids
58,100 €
20/09/2017 14:00
Top lot
BURKHARDT + WEBER MCX 900 HV Universal Machining Center
Winterthur
1 Bid
45,000 €
05/09/2017 09:00
Top lot
STAMA MC 526/M6.S Machining Centre
Asperg
0 Bids
24,500 €
06/09/2017 10:22
MATEC 30 SH Vertical Machining Centre
Magdeburg
on request
anytime
MAHO MH 1200S Machining Center - Universal
Velen
1 Bid
18,700 €
25/08/2017 13:00
Top lot
INGERSOLL OPS 600 Vertical High-Speed Machining Centre
Dieburg
0 Bids
17,500 €
06/09/2017 10:02
Top lot
WEEKE BHX 050 OPTIMAT Vertical Drilling and Milling Center
Rietberg
25 Bids
17,000 €
05/09/2017 11:38
Top lot
DECKEL MAHO DMU 80T Vertical Machining Centre
Wallerstein
0 Bids
16,900 €
06/09/2017 11:09
HYUNDAI SPT V 32 S 405 Vertical Machining Centre
San Pedro de B…
0 Bids
13,000 €
closed
Opportunity
SW BA 18 Vertical Machining Centre
Asperg
0 Bids
12,900 €
06/09/2017 10:34
Top lot
CHIRON FZ 08 S 4-Axis Vertical Machining Centre
Ebenweiler
1 Bid
11,600 €
06/09/2017 10:03
DECKEL MAHO DMP 60 V CNC Vertical Machining Center
Etzgen
3 Bids
10,550 €
21/09/2017 14:17
DECKEL MAHO DMC 100V hi-dyn Vertical Machining Centre
Jessen
10 Bids
8,250 €
06/09/2017 10:00
SIGMA MISSION 5 Vertical Machining Centre
Steinfeld
1 Bid
5,500 €
20/09/2017 14:01
SUPERMAX YCM-VMC 720 Machining Centre
Medolago (BG)
2 Bids
4,700 €
20/09/2017 12:11
SHE HONG HV-50S Machining Centre
Medolago (BG)
1 Bid
4,500 €
20/09/2017 12:10
MAZAK V414 CNC Machining Centre
Lier
0 Bids
3,500 €
19/09/2017 10:39
MAGERL Rotamatic 120 Machining Centre
Bad Laasphe
0 Bids
1,500 €
closed
DECKEL DC 70 V Vertical Machining Center
Unna
1 Bid
1,500 €
14/09/2017 12:09
 

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Buying and selling used machining centres for industrial use - it’s better with Surplex

Index


  1. Machining centres for completely automated processing
  2. The development of machining centres
  3. Areas of application for machining centres
  4. Weakened joints
  5. Large selection, high prices
  6. Buying used machining centres
  7. An overview of machining centre manufacturers
Used machining center in a factory

Machining centres for completely automated processing

A machining centre (MC for short) for metal is called a numerically controlled machine tool and is designed for processing workpieces with complex prismatic geometries using a single clamping process. Machining centres are fitted with tools for various machining processes, particularly milling and drilling. A typical feature of machining centres is the high level of automation, which includes both automatic tool changing and fully automated movement sequences.

  • Processing of complex, prismatic geometries
  • High level of automation
  • Independent tool changing
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Machining centres possess a main spindle which they automatically load from a tool magazine. It is possible to perform a numerically controlled movement between the main spindle and workpiece in a straight line on at least three CNC axes. Today, 5-axis CNC machines are used heavily in a range of locations. Rotary movement axes may also be included. CNC machining centres differ in terms of the position of the main spindle. They can come both in form of horizontal or vertical machining centres. If the machine tool can also alter the position of the main spindle, it is called a universal machining centre.

Differentiating machining centres

The key features used to differentiate machining centres are the number and type of CNC axes and tools in the magazine, the rotational speed range, cutting performance, dimensions of work routes and workpiece table and its load capacity, as well as the resolution capacity of the drives and entrance tolerance. Tool and chain magazines are used as tool storage in CNC machining centres. Star- and drum-shaped magazines are used depending on the position of the tools and it is possible for the feed direction to be parallel and perpendicular to the magazine axis. To reduce non-productive times, CNC machining centres use simple changers and double changers for modifying the tool, which can simultaneously remove a tool from the magazine and main spindle. The non-productive times for loading, unloading and clamping the workpieces can be reduced by means of pallet systems. This involves clamping the workpieces on pallets outside the work area, which are then transported independently by the machining centre. This largely enables workpieces to be changed parallel to processing procedures.

Machining centre in operation

The development of machining centres

The history of machining centres is closely related to the invention of numerical machine tool controls (NC) and computerised numerical controls (CNC), as well as the development of motor spindles as autonomous components. Numerical controls enable workpieces to be machined automatically. Motor spindles fitted with a direct drive enable precise control of spindle movement even at high speeds. With its integrated tool magazine, a CNC machining centre can combine several types of machine tools, such as drilling machines and milling machines and even lathes within one structure.

Areas of application for machining centres

Due to a high level of automation, machining centres are suitable for both large series production, small- and mid-sized series, as well as the manufacture of individual pieces. Their high processing speed is particularly important in serial production and explains their widespread use in large and small companies, ranging from car manufacturers to small-scale carpentry operations. However, acquiring a machining centre can be major financial challenge for many companies, which is why many firms involved in industrial production find purchasing used machining centres to be a sensible alternative. Second-hand machines are often just as capable at performing as new models, but it is the comparatively low cost which makes all the difference.

Weakened joints

A 3-axis or 5-axis machining centre can mill three-dimensional curves and radii into a workpiece. The high number of movable axes, however, inevitably affect the rigidity of the machine. A 5-axis machining centre is therefore comparatively sensitive to high feed rates or very resistant material. A 5-axis machining centre is prone to wear on all moving parts and these need to be regularly inspected. As such, a 5-axis CNC machining centre may look very appealing externally, but the internal condition could be in such a bad state of repair that repairs would not be economically viable. But this does not mean that the risks of buying a used 5-axis machine cannot be avoided.

Detail of a used machining center

Large selection, high prices

CNC machining centres are high-tech pieces of kit. The highly precise coordination of all the axes while taking into consideration tool wear and material properties requires high-quality components as well as high-performance controls. The good news is that the controls do not wear out. A used CNC machining centre is just as capable as a brand new one, which is why even second-hand machining centres can be quite an investment and require a large amount of capital.

Buying used machining centres

A CNC machining centre for metalworking is a central piece of kit in industrial operations. These high-performance, efficient and precise machines guarantee that any shape and form can be manufactured. Prototype construction, reworking cast iron parts or series parts made from solid material - a good CNC machining centre enables production to achieve new levels of performance. The weakpoints described make buying a CNC machining centre a matter of trust. This is why second-hand machinery traders who solely deal in approved and transportable CNC machining centres are the ideal places to acquire a used CNC machining centre. Comprehensively tested and thoroughly cleaned, with updated software (if requested) and all damaged or worn components replaced, a CNC machining centre bought from a second-hand dealer can be just as good as a brand new machine. The price difference alone between a new 5-axis CNC machine and a used machining centre is reason enough to consider taking the second-hand route.

Surplex offers a large range of high-quality machining centres: 3-axis, 4-axis and 5-axis machining centres. When possible, our used machining centres are professionally uninstalled, thoroughly inspected and maintained as required, which makes opting for a second-hand machine an easy decision. Surplex also offers comprehensive services for used 5-axis CNC machining centres in addition to their sales activities. Consultation, transportation, installation and upgrading can be performed by Surplex or one of our dependable partners.

An overview of machining centre manufacturers

So, you would like to buy a CNC machining centre? Surplex regularly has a wide range of high-quality, 5-axis CNC machines for sale, as well as other versions. It is worth opting for manufacturers who have been known for reliability and quality for a good number of years. Renowned companies include AXA, BECK, CHIRON, DECKEL, HERMLE, HECKERT, HAAS, HELLER, OKUMA and YEONG CHIN MACHINERY TAIWAN.

Our numerous industrial auctions regularly feature CNC machining centres for sale (with a range of axes) at attractive prices. If you cannot find the right used machine for your needs, simply try looking again another day. Alternatively, contact Surplex Customer Care and a member of the team will be glad to help.

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