for sale used universal type milling machine. brand model heckert. complete and working. Accessories are also available separately. price on request.

Technical Description of the Heckert Universal Milling Machine

The Heckert universal milling machine is a versatile machine tool designed to perform a wide range of milling operations, including machining flat surfaces, slots, slots, complex profiles, and making gears and other special shapes. Heckert is a brand known for producing robust and precise machines, capable of working on pieces of different sizes and materials.

General Technical Characteristics (indicative, variable depending on the model)

• Machine type : Universal milling machine
• Brand : Heckert
• Table dimensions : Varies depending on the model; typically between 1000mm and 2000mm in length
• Longitudinal stroke (X) : Generally from 600 mm to 1200 mm
• Transverse travel (Y) : Generally 300 mm to 600 mm
• Vertical travel (Z) : Generally 400 mm to 600 mm
• Spindle power : Varies from 5 kW to 15 kW
• Spindle speed : Adjustable, with typical ranges between 50 and 4000 rpm
• Machine weight : Usually between 3000 kg and 6000 kg, depending on size and model

What is a Universal Milling Machine

A universal milling machine is a machine tool that allows you to perform a variety of milling operations thanks to the ability to orient the work table and the spindle head at different angles. This type of machine is called "universal" because it can perform operations on both horizontal and vertical surfaces, as well as inclined and complex machining.

How to use it

The use of a Heckert universal milling machine follows a procedure that can be summarized as follows:

1. Preparation of the Piece : The piece to be worked is fixed on the table using vices, brackets or customized clamping systems. Precision in fixing is essential to obtain accurate results.

2. Machine setup : The router table can be tilted, rotated and positioned at different angles to allow complex machining. The spindle can be oriented horizontally or vertically based on the type of milling to be performed.

3. Tool Selection : The appropriate milling tools (cylindrical, disc, end mills, etc.) are selected based on the required machining and the material of the piece.

4. Milling Operation : Milling is performed by moving the machine table along the X, Y and Z axes, while the tool rotates at high speed, removing material from the workpiece. The feed and rotation speeds of the spindle are regulated according to the material and the type of processing.

5. Control and Measurement : During and after milling, the dimensions of the part are measured to ensure that they meet the required tolerances.

Materials Used

The Heckert universal milling machine can process a wide range of materials, including:

• Steels : Including alloy and unalloyed steels, stainless steels, and hardened steels for mechanical components.
• Cast iron : For the production of machine bases, frames and structural components.
• Aluminum alloys : Used in industries requiring lightweight, strong components.
• Copper, Brass, and Bronze : Nonferrous materials used for applications requiring good conduction properties or corrosion resistance.
• Plastic materials : Such as PVC and nylon, for special applications and prototyping.
• Titanium and specialty alloys : For high-performance components in industries such as aerospace and defense.

Main Industrial Sectors

Heckert universal milling machines are widely used in the following industries:

• Mechanical industry : For the production and maintenance of machine parts, equipment and tools.
• Automotive industry : For the production of engine, transmission and chassis components.
• Aerospace Industry : For milling structural components, gears and precision parts.
• Tool production : For the production of moulds, dies and cutting tools.
• Energy industry : For the processing of components for turbines, compressors and generators.
• Shipbuilding : For the production of structural and mechanical components for ships and boats.

Calculations and Formulas to Optimize Use

To optimize the use of a Heckert universal milling machine, it is important to consider the following parameters:

• Cutting speed ( VcV_c $V$ c ​) : Vc=π⋅D⋅nV_c = \pi \cdot D \cdot n $V$ c ​= $\pi$ $\cdot$ $D$ $\cdot$ $n$ , where DD $D$ is the tool diameter and nn $n$ is the spindle rotation speed. This formula helps determine the optimal rotation speed depending on the material to be processed.

• Feed per tooth ( fzf_z $f$ z ​) : This is the table feed for each tooth of the tool that contacts the workpiece. It is calculated based on the material, the size of the tool and the type of machining.

• Pass depth ( apa_p $a$ p ​) : The depth to which the tool penetrates the material in each pass. It must be carefully controlled to avoid overheating and ensure uniform processing.

• Power required ( PP $P$ ) : P=Fc⋅VcP = F_c \cdot V_c $P$ $=$ $F$ c ​⋅ $V$ c ​, FcF_c $F$ c ​is VcV_c $V$ c ​is

Types of Similar Milling Machines

In addition to the universal milling machine, there are other types of milling machines that can be used for similar processes:

• Vertical milling machines : The spindle head is oriented vertically and is used for face milling operations.
• Horizontal milling machines : With the spindle oriented horizontally, suitable for lateral and longitudinal milling.
• CNC milling machines : Computer-controlled milling machines for complex and repeatable operations with very high precision.
• Fixed bed milling machines : Ideal for processing large and heavy pieces.

Alternatives to the Heckert Universal Milling Machine

Alternatives to the Heckert universal milling machine include:

• CNC machining centers : More advanced machines that offer greater precision and automation, ideal for mass production or complex parts.
• Numerically controlled (CNC) milling machines : For repetitive and complex operations with high automation and control.
• Dedicated milling machines : Designed for specific operations such as manufacturing gears or milling flat surfaces.

Why It Is Worth Buying a Used Heckert Universal Milling Machine

Buying a used Heckert universal milling machine can be advantageous for several reasons:

• Lower Cost : A used machine offers significant savings compared to a new one, making it accessible even for small and medium-sized businesses.
• Durability and Reliability : Heckert machines are built to last, and a used model, if well maintained, can still provide years of efficient service.
• Immediate Availability : A used model is often available immediately, reducing the waiting times associated with the production and delivery of a new machine.
• Flexibility and Versatility : The Heckert universal milling machine, even used, maintains its versatility, adapting to different milling operations effectively.
• Maintenance and Spare Parts : Being an established model, it is easy to find spare parts and specialized maintenance services for Heckert machines, even for used ones.