[China Aluminum Industry Network] I. Overview of Aluminum Profile Production Logistics Process
In simple terms, if you convert an aluminum ingot into a finished product, you must go through at least five processes. However, the seemingly simple five-step process has a large difficulty in achieving a short delivery time in the case of small quantities and varieties.
Second, logistics planning ideas
To achieve a short delivery period, we must pay attention to the efficiency and planning of logistics. The first way of thinking determines the way out, our core ideas in logistics planning - three points and four fixed.
How do companies do three points, we first look at the pre-production process:
From a theoretical point of view, various models, lengths, and surface treatments may appear within the same order.
X*Y*Z≤∞
Therefore, the former process three points: a row of production: the production must be split before the production of extrusion billets, the various types of billets are distributed to the production of different tonnage machines. Dichotomous surface: Due to the different surface treatment methods, the blanks produced by the dismantling machines are collectively reassembled together with the order number and even the same color by means of centralized sorting. Three-position: After sorting, the blanks are distributed according to the surface requirements.
After the production process:
Corresponding models, lengths, surface treatments:
After the process three points: a row of production: according to the order of the situation to choose a better production line. Two-part surface: the same order number and even the same color production. Three points into the position: According to the order to the distribution of finished positions warehouse positions waiting for delivery.
With respect to Siding, we understand it as follows: Definite-person management, fixed-item storage, scheduled vehicle transportation, and positioning and placement.
1. Definite person management: Each link determines the corresponding responsible person, which is easy to follow up and can strengthen management and execution.
2. Set the storage, first determine the use of the area and set aside sufficient space for operation according to requirements. For example, the Al-Aluminum powder sorting silo generally reserves thousands of square meters or more to cope with the large and complicated sorting model. In addition, the sorting bin must also set the corresponding in and out bin blanks to facilitate trailer transportation.
Logistics direction
Sorting work in sorting bins
3, set the car transport: In addition to the use of mechanized transport, trailers, cranes and other commonly used logistics tools, the application of electric rail cars can greatly reduce the labor intensity of employees. Electric railcars are characterized by their ease of use and low cost, and are suitable for straight-line short-distance transportation. Therefore, electric railcars can be used for part of the journey from the machine to the sorting bin and the post-process blank bin to the production line.
Semi-automatic electric railcar transport blank
4. Positioning and positioning: The blanks are assigned to the specified positions of the process according to the surface requirements. The finished products are transferred to the designated positions of the finished product warehouse according to the destination, which facilitates the taking of blanks and improves the delivery efficiency.
1. Components of piston rod seal:
Polyurethane, polyformaldehyde, rubber
2. Purpose and function of piston rod seal:
The rod seal belongs to the dynamic seal. It is the seal that moves with the piston rod. It is one of the important components on the hydraulic support.
3. Use position of piston rod seal:
Guide sleeve, piston
4. Working principle of piston rod seal:
It is used at the contact part between the guide sleeve and the outer cylinder to seal the emulsion in the outer cylinder.
5. What effects will be caused by improper use or operation of piston rod seal:
1. Improper selection of cavity support material will wear the cavity and piston rod.
2. The size of the friction pair is inappropriate, causing wear.
3. Improper thread guide angle of cylinder barrel and piston end wear the sealing ring.
4. The seal ring is worn due to improper installation guide angle of the seal.
5. The surface of cavity and piston rod is rough, with scratches and worn seals.
6. The outer cylinder leaks and the jack does not maintain pressure.
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