Improvement of electric circuit of the bullhead planer

The electrical wiring of the B665 head planer is simple and irreversible. When working, especially when arranging the tool and adjusting the workpiece, the ram needs to be jogged. Since the electric circuit of the B665 type head planer has no jog button, the planer uses the start button SB_1 and the stop button SB_2 to realize the jog of the ram (Fig. 1). When you push the two buttons back and forth, sometimes the machine does not pay attention, and the machine starts to run continuously. To this end, the following improvements have been made.

Serological Pipette

Disposable serological pipettes with polyester fiber plugs are ideal for tissue culture applications. Crisp, black, highly legible permanent graduations prevent ambiguity and guarantee precise reading and accurate dispensing within ± 2%. Reverse graduations show volume removed or remaining on all pipettes larger than 1mL. Generous negative graduations provide additional pipetting volume. Yongyue's serological pipettes are made from transparent USP Class VI polystyrene sterilized by gamma irradiation. Each lot is free from pyrogens, DNases, and RNases.Yongyue's plastic serological pipettes are produced under the strictest protocols and offer the highest degree of accuracy.
The pipettes are supplied with an aerosol barrier plug that prevents both liquid and aerosols from contaminating the pipettors.
The serological pipettes are produced from crystal clear polystyrene (PS) and are color coded for easy volume identification. Available in 1mL, 2mL, 5mL, 10mL, 25mL and 50mL sizes.
In addition each Pipette now features:
Crisp and bold easy-to-read graduation marks
Reverse graduations on all volumes
Negative graduations on all volumes
1, 2 and 5mL pipettes feature one-piece construction

10, 25 and 50mL pipettes feature three-piece construction

1 ml Serological Pipette,50 ml Serological Pipette,10 ml Serological Pipette,5 ml Serological Pipette,25 ml Serological Pipette,Serological Pipette 2ml

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