Used Heckert universal milling machine

Description

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, grooves, complex profiles, and the production of gears and other special shapes. Heckert is a well-known brand for manufacturing robust and precise machines capable of machining workpieces of various sizes and materials.

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

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

What is a Universal Milling Machine?

A universal milling machine is a machine tool that allows a variety of milling operations to be performed thanks to the ability to orient the worktable and 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 operations.

How to use it

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

Workpiece Preparation : The workpiece is secured to the table using vises, clamps, or custom clamping systems. Precision clamping is essential to achieving accurate results.
Machine Setup : The milling machine table can be tilted, rotated, and positioned at various angles to allow for complex machining operations. The spindle can be oriented horizontally or vertically depending on the type of milling being performed.
Tool Selection : Appropriate milling tools (cylindrical, disc, end mills, etc.) are selected based on the required machining and the workpiece material.
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 spindle rotation speeds are adjusted depending on the material and the type of machining.
Inspection and Measurement : During and after milling, the dimensions of the workpiece are measured to ensure they meet the required tolerances.

Materials Used

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

Steels : Including alloy and non-alloy 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 : Non-ferrous materials used for applications requiring good conductive 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.
Toolmaking : For the production of molds, 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 ( $V_c$ $V$ $_{c}$ : $Vc=π⋅D⋅nV_c = \pi \cdot D \cdot n$ $V$ $_{c}$ $π$ $\cdot$ $D$ $\cdot$ $n$ , where $D$ is the tool diameter and $n$ is the spindle rotation speed. This formula helps determine the optimal rotation speed depending on the material being worked.
Feed per tooth ( $f_z$ $f$ $_{z}$ : This is the table feed rate for each tool tooth that comes into contact with the workpiece. It is calculated based on the material, tool size, and machining operation.
Depth of cut ( $a_p$ $a$ $_{p}$ : The depth to which the tool penetrates the material with each pass. It must be carefully controlled to avoid overheating and ensure uniform machining.
Power Required ( $P$ ) : $F_c \cdot V_c$ $P$ $=$ $F$ $_{c}$ $V$ $_{c}$ , $F_c$ $F$ $_{c}$ is $V_c$ $V$ $_{c}$ is

Similar Types of Milling Machines

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

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, repeatable operations with extremely high precision.
Fixed bed milling machines : Ideal for machining large and heavy workpieces.

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 series production or complex parts.
Computer Numerical Control (CNC) Milling Machines : For repetitive and complex operations with high automation and control.
Dedicated milling machines : Designed for specific operations such as gear manufacturing or flat surface milling.

Why You Should Buy 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.
Robustness 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 wait time associated with the production and delivery of a new machine.
Flexibility and Versatility : The Heckert universal milling machine, even used, maintains its versatility, adapting effectively to different milling operations.
Maintenance and Spare Parts : As an established model, it is easy to find spare parts and specialized maintenance services for Heckert machines, even used ones.

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