WIRING THE MACHINE

Before wiring the machine, holes need to be drilled in the frame for routing the wires. Put a piece of masking tape over the cylinder hole in the heater block to prevent metal chips from falling into the cylinder. Drill four, 5/16" holes in the frame at the approximate locations shown in figure 50. Chamfer both ends of each hole with a 1/2" counter sink drill to remove any sharp edges that could cut the insulation on the wires. 

Safe using of the various lifting machines like cranes, mine hoists, air rope ways, elevators etc. depends on steel wire ropes durability. Ropes are non repairable components of the machines. That is why the ropes worn or failed must be changed. 

Before placing a machine on its base, make sure that both the base and the bottom of the machine are clean, rust free, and do not have any burrs. Use a wire brush or file on these areas if necessary. 

A low consistency suspension of fibres, pigments and chemical additives (thin stock) flows on to the moving wire mesh filtration medium of the paper machine where the wet web is formed. The water which drains away in this process (white water) is then recycled as far as it is practical to do so and is used to dilute the incoming high consistency suspension (thick stock). Retention can be considered either in overall terms or in terms of a single pass of the thin stock across the machine wire (first pass retention). For efficient operation, paper makers aim to achieve as high a first pass retention as possible, which they do by the use of retention aids. This reduces material losses and also assists in minimising the level of suspended solids in the effluent. 

Microscopic analysis. From each experimental group of specimens with incipient lesions, two specimens were selected randomly for microscopic analysis. Two adjacent slices (500 pm thickness) were prepared from each specimen with a diamond wire sectioning machine (model 3242, Well, Le Lode, Switzerland). The slices were fixed in 1.0 ml 4% paraformaldehyde, 1% glutardialdehyde in 0.1 M sodium cacodylate buffer, pH 7.4, for one week. One slice of each pair was subsequently demineralized in 2.0 ml 0.1 M acetic acid, 2.5% glutardialdehyde, pH 4.0. 

Dentin slices. Enamel-dentin specimens were prepared by drilling a hollow cylinder through the crowns of the incisors. Dentin slices (diameter 6 mm, thickness 0.50 mm) were made as transversal sections with a water-cooled diamond wire sawing machine (Well, model 3142 W. Ebner,... 

The operations of a punched-card calculator are determined by the wiring of a control panel. The panel, in effect, completes circuits between components in the machine so that desired operations are carried out. The panels may be removed from the machine and saved permanently. Thus several differently wired panels may be kept on hand for different types of problems, making it a simple matter to change the functions of the machine. 

In the machine, improved by LainiS, and further perfected by Dailly, the wire sieves are retained, but the washing space is considerably extended and prolonged, though the quantity of pulp exhausted in a given time is increased. This 1b done by i... 

As the machine speed has continuously has increased the dynamic forces to the web have increased and it has forced to support the web with felts to avoid web breaks. Before 30 s typically the web had open draw between press and wire section which was soon replaced with pick-up suction roll arrangement. In this arrangement web is picked up with a suction roll from wire and supported by press felt to the first nip. Most recent fast paper machines are using the same principle of suction roll and supporting fabric not only through press but also through dryer section. 

---