Our C Frame Hydraulic Press solutions are equipped with the most important functions for reliable and productive forming. KRRASS is an innovative designer, producer and also servicer of hydraulic presses.
Innovation, quality and also precision are focus of our research work. In effect numerous customers around the world deposit their trust in our C Frame Hydraulic Presses.
We have designed the Y41B-series c-frame hydraulic presses with different power ranges, from 50 to 300 tonnes.
Specifically designed to perform work involving deep-drawing, stamping, die-cutting, forming, etc.
The latest generation Y41B series hydraulic presses now feature a wide range of uses including the possibility of incorporating these machines in automatic production lines.
FEA & Stress Analysis
The CAE software SOLIDWORKS used as the method to analyze the linear static construction, stress and deformation for press break and laser cutting machine frames. So for complicated structures, highly complex loading’s, transient modelling and combination of the above, FEA makes sense.
Y41B-series C-frame presses consist of an electro welded structure made solely of S355JR steel. They are stabilised and machined at the end of the structural welding process to ensure perfect parallelism and precision. Calculated and designed by finite. With all this, we always guarantee our high precision and quality standards. These models are equipped with a mechanized lower and upper C45E steel table with DIN-650 grooves. The upper table ensures perfect alignment by means of two cylindrical lateral guides of 50 mm diameter with maintenance free anti-friction bimetallic caps.
The cylinder is double acting with a chrome plunger and maintenance-free anti wear guides. Anti-turning of the cylinder with a squared front ant stroke endings come as standard which enable us to conveniently regulate the cylinder stroke.
A two-speed motorized hydraulic unit with automatic high speed deactivation. It’s equipped with a cylinder decompression valve. A pressure switch placed at the lateral part comes as standard which allows the regulation of the most appropriate pressure signal for each kind of pressing.
They are supplied with a glycerin gauge with reading in tonnes.
The control panel features a switch enabling the user to select the desired type of work in a manual, semi-automatic or automatic position and a switch to select either the fast speed or slow speed. Electrical and hydraulic manoeuvres are redundant and self-controlled. They incorporate an additional safety block and self-control devices for manoeuvre and safety. It includes the verification and certification of the correct operation and the safety distance for the photocells.
Operation is carried out by low voltage electric pedals.
Safety is guaranteed by the use of two lateral protections and with level IV safety light curtains situated at the front.
They allow the installation of a hydraulic cushion or a hydraulic ejector. They are supplied with an instructions manual.
It meets and satisfies all the essential health and safety requirements in accordance with the EC standard.
|Nominal force||KN||40||63||100||160||250||400||630||1000||1600||2000||2500||Nominal force|
|Maximum working pressure of liquid||Mpa||8||8||8||13||20||23||25||26||25||25||25||25|
|Maximum opening height||mm||390||450||500||550||600||700||800||800||900||900||900||900|
|Maximum stroke of slider||mm||200||250||300||350||350||400||500||500||500||500||500||500|
|Slide down speed||mm/s||45||45||45||45||45||49||35||25||20||20||20||20|
|Slider return speed||mm/s||75||85||75||75||100||85||68||54||59||70||70||70|
|Height of working platform from ground||mm||700||700||700||700||700||700||700||700||700||800||800||900|
|Height above ground||mm||1725||1900||1990||2100||2250||2450||2650||2650||2760||2700||2700||2850|
|Total weight (approximately)||T||0.7||1||1.5||1.5||2||3||4.5||5||6.5||8||10||12|
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