manufacture/mrp_request_workcenter_cycle/views/product.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <record model="ir.ui.view" id="product_product_form_view_bom_button">
        <field name="model">product.product</field>
        <field name="inherit_id" ref="mrp.product_product_form_view_bom_button"/>
        <field name="arch" type="xml">
            <xpath expr="//group[@name='traceability']" position="after">
                <group name="manufacturing">
                    <group string="Capacity by workcenter" groups="mrp_production_request.group_mrp_production_request_user">
                        <field name="qty_by_workcenter_ids" nolabel="1">
                            <tree editable="bottom">
                                <field name="workcenter_id"/>
                                <field name="product_qty"/>
                                <field name="workcenter_cycle_no"/>
                            </tree>
                        </field>
                    </group>
                </group>
            </xpath>
        </field>
    </record>

</odoo>