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Certification:ISO9001:2008
Carbonized steel Golling column with precision shafts
Detailed Description
Golling column is installed on the machine from the traction or buildings rod-shaped member, the principle is a balancing template slide, bring to bear clamping tension. Injection molding machine industry is an important part. In the clamping mechanism, Golling column performance directly affects the rigidity and stability of the system and improve its structural characteristics Golling column, in order to effectively improve the rigidity and stability of the system.
1. Strength conditions:
Where: -------- clamping force (N)
-------- Gelin diameter (cm)
Z ----------- Gelin root number
--------- Using a tensile stress, N /, taking 7500 ~ 9000N /
2. Fatigue strength conditions:
Where: -------- lasting tensile strength limit (N /)
-------- Material yield limit (N /)
------ Tensile stress generated by the clamping force (N /)
-------- Compressive stress produced by mold force (N /)
--------- Overload when the maximum tensile stress (N /)
n -------- strength safety factor of n = 1.5 ~ 1.8
-------- Stress concentration factor = 1.8 to 2.0
--------- Scaling factor coefficient, Gelin diameter less than 100mm take 1 to 1.1, when more than 100mm take 1.25.
3. Thread strength check:
. i compressive stress:
. ii shear stress:
. iii bending stress:
Where: -------- maximum load force by the first thread on the clamping force is calculated by 14%
--------- Thread form factor, trapezoidal thread = 0.63 to 0.68
S ---------- trapezoidal thread pitch
Our Advantage
High Quality Reliable Durable Reasonable Price Good after Service According to customer specific requirements for processing More Than 10 Years Experience FAQ
1.Golling column design technical parameters which need to meet?
The main conditions to be met Gelin overall strength, anti-fatigue, thread strength, for different conditions, need to meet the parameters are different from each other! Corresponding formulas not list them here, interested friends can own Baidu search Baidu library \"Gelin\" you can find the appropriate information.
2.how our Golling column product quality?
Our , through the national quality inspection, has also been validated millions of customers, our first-class service, provide the right product for you with quality products and quality service, which you can rest assure.
3.Why do some Golling column product will fracture the market?
Golling column product breakage, which occasionally occur in everyday applications among different vendors of products, the corresponding parameters are probably not the same, but most Golling column is simply broken for several reasons.
a.Fatigue use. Whatever the product, is used excessively, is stretched by the load, use and life will change, when it reaches a certain critical point, Gelin product will fracture.
b.Temperature change. Golling column are mixed products, exercise is not made from a metal under high temperature and ultra-low temperatures, the product is subjected to the same test, the long run, Golling column change the nature of fine-tuning, in the case of caught off guard, it may happen fracture.
4.How to do when Golling column break up ?
a.In the design, to avoid drastic changes in the journal, suddenly increased or reduced, at the step or undercut, try to use a large rounded transition, the overall performance is better material selection, should also pay attention to improve the surface finish and thread hardness.
b.During use, if you have felt some questions, flying edge, not polished, it should be promptly corrected.
c.Process should pay attention to precision machining, to ensure that products are designed in accordance with design drawings, you can not cut corners, to be responsible for the products.
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