Semi-automatic sampling machine

The semi-automatic proofing machine uses mechanical or pneumatic devices to assist in applying a small amount of paint or ink evenly onto a substrate, simulating actual printing or coating effects. It is used in laboratories to quickly prepare small-area samples for verifying color, adhesion, and drying performance. It is commonly employed in quality control and new formulation testing processes in the ink and paint industries.
Selection
When selecting a semi-automatic proofing machine, consider the coating thickness range and material compatibility to match common substrates such as paper, plastic, or metal. Ease of operation and maintenance costs should be evaluated based on actual usage frequency, while comparing the coating accuracy and repeatability of different models. Refer to the process parameters of existing production equipment to ensure that the proofing results align with the conditions of the production line.

Terms

Instruments

Using platinum temperature sensor and digital Optical inspection technology, temperature control accuracy 0.1 ℃, can process 2 samples at the same time, with video recording playback function, support 0.1-10 ℃/min heating rate.

$ 3946.00

The black background counting cell is used with annular fluorescent lamp side-shot illumination, and the colony contrast ratio is clear; the counter capacity is 0-999, and the inclined design of the cell surface is easy to observe, which can reduce the labor intensity of the experimenters.

$ 170.00

With an impact speed of 2.9m/s or 3.8m/s, it supports a variety of sample sizes, uses semi-automatic control to improve operation efficiency, and can display information in real time and print out the results.

$ 1138.00

The CMOS integrated circuit is used to ensure stable counting, and the 7W energy-saving ring lamp side-shot illumination makes the colony contrast clear. The counter capacity is 0-999 to meet the needs of conventional detection. The probe pen marking function is avoided, and the repeability count is performed.

$ 151.00

Using platinum plate or ring method measurement, the range is 0~ 400mN/m, the minimum resolution is 0.1mN/m, the manual lifting and lowering points are fast and micro-adjusted, and the output data of RS232C interface is supported.

$ 1413.00

The XY axis displacement platform and the lifting measurement platform are used to facilitate accurate fine-tuning and measurement of small samples such as O-rings; the servo system imported from Japan ensures accurate positioning, and the built-in micro printer supports data output.

$ 14274.00

Measuring methods of platinum plate and platinum ring are supported, with resolution up to 0.01mN/m, equipped with fast fine-tuning manual lifting platform, and can display data in real time through RS232 interface.

$ 2042.00

The sampling length can reach 300mm, the sampling width error is +/- 0.1mm, and the notch parallelism is less than or equal to 0.1mm. It is suitable for accurate sampling of materials such as paper Cardboard.

$ 428.00

Measurement range 0001-1.9999 g/cm ³, resolution 0.0001g/cm ³, automatic temperature control 20 +/- 0.1 ℃, with automatic sampling and residue removal technology to ensure High Accuracy measurement.

$ 4952.00

Constant pressure ensures uniform sampling, suitable for a variety of powder material testing, implementation of GB9087-88 and other standards, improve sampling accuracy and conformity.

$ 222.00

Adopt automatic nitrogen measurement distillation system, nitrogen measurement range 0.1-200 mgN, collection rate ≥ 99%, repeability rate < +/- 1% relative to Standard Deviation, semi-automatic working mode, distillation time 5-15 minutes, suitable for a variety of sample analysis.

$ 493.00

Adopt stamping sampling method, equipped with special 18 steel knife edge more durable, sampling area of 100cm ², sample thickness range of 0.1-1 mm, suitable for standard sample preparation.

$ 441.00

Measurement range 0~ 14pH, Operating temperature 0~ 80 ℃. High strength conical sensitive membrane can pierce semi-solid sample.

$ 285.00

The stamping sampling method is accurate and convenient, the quenching tool is resistant to abrasion, the sampling error is +/- 0.2mm, the sampling thickness range is 0.1-1 mm, and the special treatment blade can be used normally for 10 years.

$ 654.00

Measurement accuracy of 0.001g/cm ³, built-in automatic sampling pump and high-resolution video observation function, support for Peltier temperature control technology, ensure accurate and reliable test results.

$ 3399.00

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.