Offset proof press

The offset proofing press transfers ink to paper via a rubber blanket, simulating the offset printing process. It is used to check colors and patterns before printing and to verify printing results in printing houses and design departments.
Selection
When selecting an offset proofing machine, consider the compatibility with printing materials, the ink system, ease of operation, and maintenance costs. Determine the specifications based on actual proofing size and precision requirements, and evaluate the stability of the equipment by referring to user feedback.

Terms

Standards

Instruments

Operating Pressure 0-5MPa adjustable, PID intelligent temperature control accuracy +/- 3 ℃, hydraulic system with long-term pressure holding function, press plate Travel 200mm, suitable for hot pressing and hot calendering experiments, to meet the QB/T3703-1999 standard requirements.

$ 3866.00

Automatic ink running stability, ink time and speed can be set, printing pressure 0~ 2mm adjustable, provide low, medium and high three printing speed, each time can be proofed 4 colors to facilitate Color contrast.

$ 3430.00

Horizontal press measurement combined with a physical positioning observation window, with repeatability accuracy dE*ab ≤ 0.02. It supports 5 measurement apertures and over 30 measurement parameters, and enables color data sharing through a mobile application.

$ 1364.00

The thermostat is used to control the heat transfer of the heating tube, the temperature accuracy is +/- 2 ℃, and the heating range is adjustable from room temperature to 250 ℃; it is equipped with light curtain protection device and temperature abnormal alarm function, and the operation is safe and reliable; the parallelism of the upper and lower templates is within 0.05 to ensure uniform pressure.

$ 5237.00

Pneumatic pressure mode, low noise and easy to adjust, Operating Pressure 0~ 0.9MPa adjustable, cylinder diaMeter 63mm, nominal force 45~ 80Kg, lightweight structure, comfortable operation.

$ 1606.00

The equipment supports 0-2MM pressure adjustment, providing three-speed printing speed (10/15/20 rpm) and uniform ink speed (650/800/1000rpm), which can imprint 2.5mm thick paper and 1mm plastic film to achieve precise uniform ink and stable operation.

$ 3381.00

Adopt gear pair drive, hand-pressed operation, rated load 500N, Travel 70mm, the upper and lower height of the frame can be adjusted, Force Gauge has a positioning structure, suitable for batch testing.

$ 256.00

Pressure adjustable range -1 to + 1mm, proofing speed support 400-700rpm three-speed frequency conversion speed regulation, uniform ink time 15-800 seconds adjustable, fixed structure to ensure proofing Stability.

$ 4592.00

Horizontal press measurement with physical positioning observation window, Repeatability accuracy up to dE * ab ≤ 0.02, support 5 measurement diaMeters and over 30 Measurement paraMeters, equipped with full band equalization LED Illuminant, Measurement time of about 1 second.

$ 1364.00

Adopt automatic ink leveling system, ink leveling time adjustable, three-speed ink leveling speed 400-700rpm, printing speed 0-1000rpm frequency conversion adjustable, equipped with German imported rubber roller, support different materials substrate.

$ 3656.00

Intrinsically safe explosion-proof design, up to CT4 grade, equipped with explosion-proof Sensor and display. Table size 410x510mm, weighing range 110kg, accuracy 10g, stable structure, support external calibrating and a variety of functions.

$ 190.00

The pressure of 0-700N can be adjusted to adapt to different substrates, the separate transfer system is easy to clean and maintain, supports the calculation function of inks transfer rate, and uses the middle ink extraction method to improve the lateral uniformity.

$ 6528.00

It can simultaneously print color bars of different Colors or Ink Film thickness, detect inks Hue and Gloss, uniform ink time can be adjusted from 1 to 800 seconds, support dry and wet ink discoloration analysis and abrasion resistance testing.

$ 4367.00

The printing pressure can be adjusted accurately according to the thickness of the material, and the printing speed can be adjusted. It provides 4 primary color areas and 4 light color areas to ensure that the pattern is clear and tidy.

$ 4527.00

Using explosion-proof composite explosion-proof technology, pumping rate of 4L/S, noise only 63dB, equipped with gas ballast valve can remove a small amount of water vapor, safe and reliable for dangerous environment.

$ 701.00

Articles

Application of Flexographic Proofing Press in Evaluating Color Reproducibility of Flexographic Inks
This article primarily discusses the use of a flexographic proofer to evaluate the color reproducibility of flexographic inks. It introduces the role of the proofer in simulating production conditions and explains how to prepare samples by setting parameters such as pressure, speed, and anilox roll specifications.
The use of gravure proofing machines in the comprehensive evaluation of gravure ink printability and drying performance.
This article explores how a gravure proofing press can be used to comprehensively evaluate the printability and drying properties of gravure inks. The experiment tested the dot sharpness, transfer rate, and leveling properties of different inks using standard equipment, while recording drying times through the filter paper method and infrared temperature measurement.
Ink proofer simulates printing effects for auxiliary detection.
The ink proofer simulates actual printing conditions such as pressure and speed to produce standard proof sheets, which assist in evaluating printing quality. It precisely controls parameters to ensure high consistency between the proof sheets and the actual printed materials.
Selection Comparison between Automatic and Manual Proofing Methods for Ink Proofing Machines
This article compares manual and automatic proofing methods for ink proofing machines. Manual proofing relies on the operator's experience, offering flexibility and lower initial costs, but it suffers from poor consistency, making it suitable for research and development or low-frequency usage.
The ink proofing machine's color development and ink distribution pressure are not set correctly, making the printed sample sheets unacceptable.
The ink proofer is crucial in printing quality control, as it ensures the even distribution of ink on materials by adjusting pressure. If the pressure is not properly calibrated, the proof may exhibit issues such as uneven color and inconsistent ink layer thickness, rendering it unsuitable as a reference for printing.