Web Frequency Offset Proofing Machine

The web frequency offset proofing machine transfers ink to the printing plate via an anilox roller, simulating the offset printing process. It is used for pre-press inspection of colors and patterns and is commonly employed for proofing tests in the packaging and publishing industries.
Selection
When selecting a web-fed offset proofing press, it is essential to consider factors such as printing material compatibility, proofing accuracy, ease of operation, and maintenance costs to align with actual production needs.

Terms

Instruments

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

Adjustable pressure 0~ 2mm, support three uniform ink speed 650-1000rpm and printing speed 10-20rpm, automatic uniform ink function to ensure stable operation, suitable for different thicknesses of paper and plastic film proofing comparison.

$ 3462.00

Using 160 line metal anilox roller and rubber roller combination, print width 70mm, suitable for inks proofing, wet film thickness and the number of lines inversely proportional, proofing authenticity and easy to operate.

$ 267.00

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

Ceramic roller structure, line number standard 600LPI can be customized 70-1200 lines, BCM range 1.6-5; drawdown blade, ceramic roller and other components can be individually adjusted left and right pressure, proofing speed 0-80 m/min adjustable, support material thickness 0.01-2 mm.

$ 8755.00

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

Adopt circular embossing method to improve the fit, the proofing speed is adjustable from 0-300rpm, equipped with High Accuracy Servo Motor and quick replacement anilox roller system, support a variety of gray scale customization.

$ 7335.00

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

Four-speed proofing speed is optional, up to 45m/min, using flat engraving plate for direct printing, supporting 95 × 149mm concave sample range, suitable for fast proofing of flexible substrates.

$ 4108.00

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

Equipped with 25Khz and 45Khz dual-frequency conversion functions, it supports 1-600 minute timing and room temperature to 80 ° C temperature control, using stainless steel structure and with real-time temperature display.

$ 598.00

With 25Khz and 45Khz dual-frequency conversion functions, it supports 1-600 minute timing and room temperature to 80 ° C temperature control. It is made of stainless steel to ensure durability and is suitable for a variety of cleaning needs.

$ 727.00

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

Adopt electric lifting system and frequency conversion speed regulation technology, Speed range 60~ 6900rpm, Power 1100W, equipped with dispersed impeller and sand grinding blades, can adapt to different impeller diaMeters, support chilling down water circulation temperature control.

$ 846.00

Equipped with 25Khz and 45Khz dual-frequency conversion functions, it supports 1-600 minute timing and room temperature to 80 ° C temperature control. It is made of stainless steel and real-time temperature display to improve cleaning efficiency.

$ 1033.00

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.